318996 has 18 divisors (see below), whose sum is σ = 806442. Its totient is φ = 106320.

The previous prime is 318979. The next prime is 319001. The reversal of 318996 is 699813.

318996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 318096 + 900 = 564^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8861 = 318996 / (3 + 1 + 8 + 9 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 318996.

It is a congruent number.

It is an unprimeable number.

318996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4395 + ... + 4466.

2³¹⁸⁹⁹⁶ is an apocalyptic number.

318996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

318996 is an abundant number, since it is smaller than the sum of its proper divisors (487446).

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

318996 is a wasteful number, since it uses less digits than its factorization.

318996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8866 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 318996 is about 564.7973087755. The cubic root of 318996 is about 68.3274289300.

The spelling of 318996 in words is "three hundred eighteen thousand, nine hundred ninety-six".