38856172 has 24 divisors (see below), whose sum is σ = 70907760. Its totient is φ = 18607680.

The previous prime is 38856157. The next prime is 38856187. The reversal of 38856172 is 27165883.

38856172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38856157) and next prime (38856187).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (2954490).

Almost surely, 2^38856172 is an apocalyptic number.

It is an amenable number.

38856172 is a deficient number, since it is larger than the sum of its proper divisors (32051588).

38856172 is a wasteful number, since it uses less digits than its factorization.

38856172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2719 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 38856172 is about 6233.4719057681. The cubic root of 38856172 is about 338.7037494442.

The spelling of 38856172 in words is "thirty-eight million, eight hundred fifty-six thousand, one hundred seventy-two".