315604 has 6 divisors (see below), whose sum is σ = 552314. Its totient is φ = 157800.

The previous prime is 315599. The next prime is 315613. The reversal of 315604 is 406513.

315604 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in only one way, i.e., 248004 + 67600 = 498^2 + 260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39447 + ... + 39454.

2³¹⁵⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

315604 is a deficient number, since it is larger than the sum of its proper divisors (236710).

315604 is a wasteful number, since it uses less digits than its factorization.

315604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78905 (or 78903 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315604 is about 561.7864362905. The cubic root of 315604 is about 68.0843819820.

Subtracting 315604 from its reverse (406513), we obtain a palindrome (90909).

It can be divided in two parts, 315 and 604, that added together give a palindrome (919).

The spelling of 315604 in words is "three hundred fifteen thousand, six hundred four".