Matthew Henry on Numbers 1:44-46
We have here the sum total at the foot of the account; they were in all 600,000 fighting men, and 3550 over. Some think that when this was their number some months before (Exo 38:26) the Levites were reckoned with them, but now that tribe was separated for the service of God, yet so many more had by this time attained to the age of twenty years as that still they were the same number, to show that whatever we part with for the honour and service of God it shall certainly be made up to us one way of other. Now we see what a vast body of men they were. Let us consider, 1. How much went to maintain all these (besides twice as many more, no question, of women and children, sick and aged, and the…
Read the whole note in the consoleJamieson-Fausset-Brown on Numbers 1:45
all they that were numbered were six hundred thousand, &c.--What an astonishing increase from seventy-five persons who went down to Egypt about two hundred fifteen years before [see on Gen 46:8], and who were subjected to the greatest privations and hardships! And yet this enumeration was restricted to men from twenty years and upwards [Num 1:3]. Including women, children, and old men, together with the Levites, the whole population of Israel, on the ordinary principles of computation, amounted to about 2,400,000.
John Gill on Numbers 1:45
So were all those that were numbered of the children of Israel,.... Of all the tribes, excepting Levi, that is, all the sums of the number of the children of Israel; all put together made the sum total given in the next verse:
by the house of their fathers, from twenty years old and upward, all that were able to go forth to war in Israel; all in every tribe, family, and house, that were above twenty years of age, healthful and strong, and fit for war.
John Calvin on Numbers 1:20-46
And the children of Reuben, Israel's eldest son If any disputatious person should contend that one family could not increase in 250 years to so great an amount, and thus should reject as nebulous what surpasses the ordinary rule of nature, we must bear in mind what I have already stated, that, inasmuch as this increase depended on the power of God, nothing is more absurd than to measure it by ordinary rules. For the intention of the Spirit is to represent to our eyes the incredible power of God in a conspicuous and signal miracle. Meanwhile, if you compared the tribe of Reuben with some of the others, it presents in its numbers some marks of the curse, so that we may gather that Reuben was d…