38900972 has 24 divisors (see below), whose sum is σ = 74526480. Its totient is φ = 17620160.

The previous prime is 38900969. The next prime is 38900987. The reversal of 38900972 is 27900983.

It is a super-3 number, since 3×38900972³ (a number of 24 digits) contains 333 as substring.

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, 12554 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (3105270).

Almost surely, 2^38900972 is an apocalyptic number.

It is an amenable number.

38900972 is a deficient number, since it is larger than the sum of its proper divisors (35625508).

38900972 is a wasteful number, since it uses less digits than its factorization.

38900972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 38900972 is about 6237.0643735655. The cubic root of 38900972 is about 338.8338712003.

The spelling of 38900972 in words is "thirty-eight million, nine hundred thousand, nine hundred seventy-two".