38864856 has 32 divisors (see below), whose sum is σ = 102878640. Its totient is φ = 12192768.

The previous prime is 38864809. The next prime is 38864909. The reversal of 38864856 is 65846883.

38864856 = 1504² + 1505² + ... + 1520².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47221 + ... + 48036.

Almost surely, 2^38864856 is an apocalyptic number.

It is an amenable number.

38864856 is an abundant number, since it is smaller than the sum of its proper divisors (64013784).

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

38864856 is a wasteful number, since it uses less digits than its factorization.

38864856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95283 (or 95279 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 38864856 is about 6234.1684289085. The cubic root of 38864856 is about 338.7289799641.

The spelling of 38864856 in words is "thirty-eight million, eight hundred sixty-four thousand, eight hundred fifty-six".