38860864 has 28 divisors (see below), whose sum is σ = 88131904. Its totient is φ = 16654464.

The previous prime is 38860859. The next prime is 38860867. The reversal of 38860864 is 46806883.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 38860864.

It is not an unprimeable number, because it can be changed into a prime (38860867) 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, 42924 + ... + 43819.

It is an arithmetic number, because the mean of its divisors is an integer number (3147568).

Almost surely, 2^38860864 is an apocalyptic number.

It is an amenable number.

38860864 is an abundant number, since it is smaller than the sum of its proper divisors (49271040).

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

38860864 is an equidigital number, since it uses as much as digits as its factorization.

38860864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86762 (or 86752 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 38860864 is about 6233.8482496769. The cubic root of 38860864 is about 338.7173820620.

The spelling of 38860864 in words is "thirty-eight million, eight hundred sixty thousand, eight hundred sixty-four".