38656863 has 24 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 22017744.

The previous prime is 38656829. The next prime is 38656867. The reversal of 38656863 is 36865683.

38656863 is a `hidden beast` number, since 3 + 86 + 568 + 6 + 3 = 666.

It is not a de Polignac number, because 38656863 - 2⁶ = 38656799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38656867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23068 + ... + 24686.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^38656863 is an apocalyptic number.

38656863 is a deficient number, since it is larger than the sum of its proper divisors (25365537).

38656863 is a wasteful number, since it uses less digits than its factorization.

38656863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2008 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 38656863 is about 6217.4643545420. The cubic root of 38656863 is about 338.1236403288.

The spelling of 38656863 in words is "thirty-eight million, six hundred fifty-six thousand, eight hundred sixty-three".