38972164 has 36 divisors (see below), whose sum is σ = 85681792. Its totient is φ = 15182640.

The previous prime is 38972161. The next prime is 38972179. The reversal of 38972164 is 46127983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38972161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2364 + ... + 9139.

Almost surely, 2^38972164 is an apocalyptic number.

It is an amenable number.

38972164 is an abundant number, since it is smaller than the sum of its proper divisors (46709628).

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

38972164 is a wasteful number, since it uses less digits than its factorization.

38972164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536 (or 11523 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 38972164 is about 6242.7689369382. The cubic root of 38972164 is about 339.0404432508.

The spelling of 38972164 in words is "thirty-eight million, nine hundred seventy-two thousand, one hundred sixty-four".