38856357 has 24 divisors (see below), whose sum is σ = 57972096. Its totient is φ = 25065216.

The previous prime is 38856353. The next prime is 38856359. The reversal of 38856357 is 75365883.

38856357 is a `hidden beast` number, since 3 + 8 + 8 + 5 + 635 + 7 = 666.

It is not a de Polignac number, because 38856357 - 2² = 38856353 is a prime.

It is a super-2 number, since 2×38856357² = 3019632958622898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38856353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40558 + ... + 41504.

It is an arithmetic number, because the mean of its divisors is an integer number (2415504).

Almost surely, 2^38856357 is an apocalyptic number.

It is an amenable number.

38856357 is a deficient number, since it is larger than the sum of its proper divisors (19115739).

38856357 is a wasteful number, since it uses less digits than its factorization.

38856357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1094 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 38856357 is about 6233.4867449927. The cubic root of 38856357 is about 338.7042869829.

The spelling of 38856357 in words is "thirty-eight million, eight hundred fifty-six thousand, three hundred fifty-seven".