318604 has 24 divisors (see below), whose sum is σ = 656208. Its totient is φ = 133440.

The previous prime is 318601. The next prime is 318629. The reversal of 318604 is 406813.

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

It is not an unprimeable number, because it can be changed into a prime (318601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2³¹⁸⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

318604 is an abundant number, since it is smaller than the sum of its proper divisors (337604).

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

318604 is a wasteful number, since it uses less digits than its factorization.

318604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 318604 is about 564.4501749490. The cubic root of 318604 is about 68.2994292780.

Subtracting 318604 from its reverse (406813), we obtain a square (88209 = 297²).

The spelling of 318604 in words is "three hundred eighteen thousand, six hundred four".