388370664 has 48 divisors (see below), whose sum is σ = 1147461120. Its totient is φ = 117687840.

The previous prime is 388370629. The next prime is 388370677. The reversal of 388370664 is 466073883.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244392 + ... + 245975.

It is an arithmetic number, because the mean of its divisors is an integer number (23905440).

Almost surely, 2^388370664 is an apocalyptic number.

It is an amenable number.

388370664 is an abundant number, since it is smaller than the sum of its proper divisors (759090456).

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

388370664 is a wasteful number, since it uses less digits than its factorization.

388370664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490390 (or 490383 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 388370664 is about 19707.1221643344. The cubic root of 388370664 is about 729.5954874057.

It can be divided in two parts, 3883 and 70664, that added together give a palindrome (74547).

The spelling of 388370664 in words is "three hundred eighty-eight million, three hundred seventy thousand, six hundred sixty-four".