315216804 has 72 divisors (see below), whose sum is σ = 883239168. Its totient is φ = 87151680.

The previous prime is 315216799. The next prime is 315216823. The reversal of 315216804 is 408612513.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9582 + ... + 26874.

Almost surely, 2^315216804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315216804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441619584).

315216804 is an abundant number, since it is smaller than the sum of its proper divisors (568022364).

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

315216804 is a wasteful number, since it uses less digits than its factorization.

315216804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17345 (or 17336 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 315216804 is about 17754.3460594864. The cubic root of 315216804 is about 680.5652767893.

The spelling of 315216804 in words is "three hundred fifteen million, two hundred sixteen thousand, eight hundred four".