315997384 has 16 divisors (see below), whose sum is σ = 611608320. Its totient is φ = 152901840.

The previous prime is 315997361. The next prime is 315997421. The reversal of 315997384 is 483799513.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636844 + ... + 637339.

It is an arithmetic number, because the mean of its divisors is an integer number (38225520).

Almost surely, 2^315997384 is an apocalyptic number.

It is an amenable number.

315997384 is a deficient number, since it is larger than the sum of its proper divisors (295610936).

315997384 is a wasteful number, since it uses less digits than its factorization.

315997384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274220 (or 1274216 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 315997384 is about 17776.3152537302. The cubic root of 315997384 is about 681.1265811940.

It can be divided in two parts, 31599 and 7384, that added together give a palindrome (38983).

The spelling of 315997384 in words is "three hundred fifteen million, nine hundred ninety-seven thousand, three hundred eighty-four".