388504 has 8 divisors (see below), whose sum is σ = 728460. Its totient is φ = 194248.

The previous prime is 388499. The next prime is 388519. The reversal of 388504 is 405883.

388504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 24274 + ... + 24289.

2³⁸⁸⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

388504 is a deficient number, since it is larger than the sum of its proper divisors (339956).

388504 is a wasteful number, since it uses less digits than its factorization.

388504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48569 (or 48565 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 388504 is about 623.3008904213. The cubic root of 388504 is about 72.9678973125.

The spelling of 388504 in words is "three hundred eighty-eight thousand, five hundred four".