39038920 has 64 divisors (see below), whose sum is σ = 95500800. Its totient is φ = 14307840.

The previous prime is 39038893. The next prime is 39038933. The reversal of 39038920 is 2983093.

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, 22732 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (1492200).

Almost surely, 2^39038920 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 39038920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47750400).

39038920 is an abundant number, since it is smaller than the sum of its proper divisors (56461880).

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

39038920 is a wasteful number, since it uses less digits than its factorization.

39038920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 39038920 is about 6248.1133152336. The cubic root of 39038920 is about 339.2339153002.

The spelling of 39038920 in words is "thirty-nine million, thirty-eight thousand, nine hundred twenty".