388500872 has 32 divisors (see below), whose sum is σ = 761270400. Its totient is φ = 185688384.

The previous prime is 388500869. The next prime is 388500877. The reversal of 388500872 is 278005883.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (388500877) by changing a digit.

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, 4154 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (23789700).

Almost surely, 2^388500872 is an apocalyptic number.

It is an amenable number.

388500872 is a deficient number, since it is larger than the sum of its proper divisors (372769528).

388500872 is a wasteful number, since it uses less digits than its factorization.

388500872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24125 (or 24121 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 388500872 is about 19710.4254647128. The cubic root of 388500872 is about 729.6770148084.

The spelling of 388500872 in words is "three hundred eighty-eight million, five hundred thousand, eight hundred seventy-two".