388656960 has 56 divisors (see below), whose sum is σ = 1233988896. Its totient is φ = 103641600.

The previous prime is 388656943. The next prime is 388656971. The reversal of 388656960 is 69656883.

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, 201466 + ... + 203385.

It is an arithmetic number, because the mean of its divisors is an integer number (22035516).

Almost surely, 2^388656960 is an apocalyptic number.

388656960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

388656960 is an abundant number, since it is smaller than the sum of its proper divisors (845331936).

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

388656960 is a wasteful number, since it uses less digits than its factorization.

388656960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404871 (or 404861 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 388656960 is about 19714.3845960253. The cubic root of 388656960 is about 729.7747225052.

The spelling of 388656960 in words is "three hundred eighty-eight million, six hundred fifty-six thousand, nine hundred sixty".