388315936 has 24 divisors (see below), whose sum is σ = 767792844. Its totient is φ = 193320960.

The previous prime is 388315931. The next prime is 388315957. The reversal of 388315936 is 639513883.

It can be written as a sum of positive squares in 2 ways, for example, as 329640336 + 58675600 = 18156^2 + 7660^2 .

It is not an unprimeable number, because it can be changed into a prime (388315931) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18585 + ... + 33496.

Almost surely, 2^388315936 is an apocalyptic number.

It is an amenable number.

388315936 is a deficient number, since it is larger than the sum of its proper divisors (379476908).

388315936 is a wasteful number, since it uses less digits than its factorization.

388315936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324 (or 52316 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 388315936 is about 19705.7335818792. The cubic root of 388315936 is about 729.5612150115.

The spelling of 388315936 in words is "three hundred eighty-eight million, three hundred fifteen thousand, nine hundred thirty-six".