39871328 has 96 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 15966720.

The previous prime is 39871283. The next prime is 39871331. The reversal of 39871328 is 82317893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365738 + ... + 365846.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^39871328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39871328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47900160).

39871328 is an abundant number, since it is smaller than the sum of its proper divisors (55928992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39871328 is a wasteful number, since it uses less digits than its factorization.

39871328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 39871328 is about 6314.3747117193. The cubic root of 39871328 is about 341.6280853785.

The spelling of 39871328 in words is "thirty-nine million, eight hundred seventy-one thousand, three hundred twenty-eight".