388317936 has 40 divisors (see below), whose sum is σ = 1004360320. Its totient is φ = 129283776.

The previous prime is 388317913. The next prime is 388317949. The reversal of 388317936 is 639713883.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39711 + ... + 48513.

It is an arithmetic number, because the mean of its divisors is an integer number (25109008).

Almost surely, 2^388317936 is an apocalyptic number.

It is an amenable number.

388317936 is an abundant number, since it is smaller than the sum of its proper divisors (616042384).

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

388317936 is a wasteful number, since it uses less digits than its factorization.

388317936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733 (or 9727 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 388317936 is about 19705.7843284656. The cubic root of 388317936 is about 729.5624675310.

The spelling of 388317936 in words is "three hundred eighty-eight million, three hundred seventeen thousand, nine hundred thirty-six".