38992272 has 40 divisors (see below), whose sum is σ = 109888800. Its totient is φ = 11815680.

The previous prime is 38992253. The next prime is 38992319. The reversal of 38992272 is 27229983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36397 + ... + 37452.

It is an arithmetic number, because the mean of its divisors is an integer number (2747220).

Almost surely, 2^38992272 is an apocalyptic number.

It is an amenable number.

38992272 is an abundant number, since it is smaller than the sum of its proper divisors (70896528).

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

38992272 is a wasteful number, since it uses less digits than its factorization.

38992272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73871 (or 73865 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 38992272 is about 6244.3792325579. The cubic root of 38992272 is about 339.0987434354.

The spelling of 38992272 in words is "thirty-eight million, nine hundred ninety-two thousand, two hundred seventy-two".