38955864 has 16 divisors (see below), whose sum is σ = 97389720. Its totient is φ = 12985280.

The previous prime is 38955827. The next prime is 38955869. The reversal of 38955864 is 46855983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38955869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811557 + ... + 811604.

Almost surely, 2^38955864 is an apocalyptic number.

It is an amenable number.

38955864 is an abundant number, since it is smaller than the sum of its proper divisors (58433856).

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

38955864 is a wasteful number, since it uses less digits than its factorization.

38955864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623170 (or 1623166 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 38955864 is about 6241.4632899665. The cubic root of 38955864 is about 338.9931690830.

The spelling of 38955864 in words is "thirty-eight million, nine hundred fifty-five thousand, eight hundred sixty-four".