318680 has 32 divisors (see below), whose sum is σ = 743040. Its totient is φ = 122880.

The previous prime is 318679. The next prime is 318683. The reversal of 318680 is 86813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318683) 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, 1112 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2³¹⁸⁶⁸⁰ 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 318680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371520).

318680 is an abundant number, since it is smaller than the sum of its proper divisors (424360).

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

318680 is a wasteful number, since it uses less digits than its factorization.

318680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 318680 is about 564.5174930859. The cubic root of 318680 is about 68.3048595759.

The spelling of 318680 in words is "three hundred eighteen thousand, six hundred eighty".