318704 has 10 divisors (see below), whose sum is σ = 617520. Its totient is φ = 159344.

The previous prime is 318701. The next prime is 318713. The reversal of 318704 is 407813.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 318704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9944 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (61752).

2³¹⁸⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

318704 is a deficient number, since it is larger than the sum of its proper divisors (298816).

318704 is a wasteful number, since it uses less digits than its factorization.

318704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19927 (or 19921 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 318704 is about 564.5387497772. The cubic root of 318704 is about 68.3065742275.

The spelling of 318704 in words is "three hundred eighteen thousand, seven hundred four".