38956687 has 16 divisors (see below), whose sum is σ = 50683392. Its totient is φ = 29034720.

The previous prime is 38956679. The next prime is 38956691. The reversal of 38956687 is 78665983.

It is not a de Polignac number, because 38956687 - 2³ = 38956679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38956607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9228 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (3167712).

Almost surely, 2^38956687 is an apocalyptic number.

38956687 is a deficient number, since it is larger than the sum of its proper divisors (11726705).

38956687 is a wasteful number, since it uses less digits than its factorization.

38956687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22038.

The product of its digits is 2177280, while the sum is 52.

The square root of 38956687 is about 6241.5292196704. The cubic root of 38956687 is about 338.9955563095.

The spelling of 38956687 in words is "thirty-eight million, nine hundred fifty-six thousand, six hundred eighty-seven".