315398832 has 80 divisors (see below), whose sum is σ = 934464000. Its totient is φ = 89796096.

The previous prime is 315398821. The next prime is 315398843. The reversal of 315398832 is 238893513.

It is an interprime number because it is at equal distance from previous prime (315398821) and next prime (315398843).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 103669 + ... + 106667.

It is an arithmetic number, because the mean of its divisors is an integer number (11680800).

Almost surely, 2^315398832 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 315398832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467232000).

315398832 is an abundant number, since it is smaller than the sum of its proper divisors (619065168).

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

315398832 is a wasteful number, since it uses less digits than its factorization.

315398832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3324 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 315398832 is about 17759.4716137615. The cubic root of 315398832 is about 680.6962534127.

The spelling of 315398832 in words is "three hundred fifteen million, three hundred ninety-eight thousand, eight hundred thirty-two".