315832 has 32 divisors (see below), whose sum is σ = 670320. Its totient is φ = 138240.

The previous prime is 315829. The next prime is 315851. The reversal of 315832 is 238513.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208 + ... + 3304.

2³¹⁵⁸³² 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 315832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335160).

315832 is an abundant number, since it is smaller than the sum of its proper divisors (354488).

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

315832 is a wasteful number, since it uses less digits than its factorization.

315832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 315832 is about 561.9893237420. The cubic root of 315832 is about 68.1007733062.

The spelling of 315832 in words is "three hundred fifteen thousand, eight hundred thirty-two".