388865080 has 32 divisors (see below), whose sum is σ = 875772000. Its totient is φ = 155399296.

The previous prime is 388865069. The next prime is 388865107. The reversal of 388865080 is 80568883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 388865080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44946 + ... + 52894.

It is an arithmetic number, because the mean of its divisors is an integer number (27367875).

Almost surely, 2^388865080 is an apocalyptic number.

It is an amenable number.

388865080 is an abundant number, since it is smaller than the sum of its proper divisors (486906920).

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

388865080 is a wasteful number, since it uses less digits than its factorization.

388865080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183 (or 9179 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 388865080 is about 19719.6622689132. The cubic root of 388865080 is about 729.9049604176.

The spelling of 388865080 in words is "three hundred eighty-eight million, eight hundred sixty-five thousand, eighty".