318969 has 24 divisors (see below), whose sum is σ = 541632. Its totient is φ = 177120.

The previous prime is 318949. The next prime is 318979. The reversal of 318969 is 969813.

It is not a de Polignac number, because 318969 - 2⁷ = 318841 is a prime.

It is a super-2 number, since 2×318969² = 203482445922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (318919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3802 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2³¹⁸⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

318969 is a deficient number, since it is larger than the sum of its proper divisors (222663).

318969 is a wasteful number, since it uses less digits than its factorization.

318969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 154 counting only the distinct ones).

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

The square root of 318969 is about 564.7734058895. The cubic root of 318969 is about 68.3255011183.

The spelling of 318969 in words is "three hundred eighteen thousand, nine hundred sixty-nine".