38172912 has 40 divisors (see below), whose sum is σ = 98899920. Its totient is φ = 12687360.

The previous prime is 38172907. The next prime is 38172943. The reversal of 38172912 is 21927183.

It is a congruent number.

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, 19264 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (2472498).

Almost surely, 2^38172912 is an apocalyptic number.

It is an amenable number.

38172912 is an abundant number, since it is smaller than the sum of its proper divisors (60727008).

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

38172912 is a wasteful number, since it uses less digits than its factorization.

38172912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2315 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 38172912 is about 6178.4230997885. The cubic root of 38172912 is about 336.7067041667.

The spelling of 38172912 in words is "thirty-eight million, one hundred seventy-two thousand, nine hundred twelve".