318864469 has 16 divisors (see below), whose sum is σ = 398987136. Its totient is φ = 247564800.

The previous prime is 318864463. The next prime is 318864473. The reversal of 318864469 is 964468813.

It is not a de Polignac number, because 318864469 - 2⁹ = 318863957 is a prime.

It is a super-2 number, since 2×318864469² = 203349099181303922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318864463) 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 15 ways as a sum of consecutive naturals, for example, 14269 + ... + 29005.

It is an arithmetic number, because the mean of its divisors is an integer number (24936696).

Almost surely, 2^318864469 is an apocalyptic number.

It is an amenable number.

318864469 is a deficient number, since it is larger than the sum of its proper divisors (80122667).

318864469 is a wasteful number, since it uses less digits than its factorization.

318864469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036.

The product of its digits is 995328, while the sum is 49.

The square root of 318864469 is about 17856.7765568145. The cubic root of 318864469 is about 683.1803653368.

The spelling of 318864469 in words is "three hundred eighteen million, eight hundred sixty-four thousand, four hundred sixty-nine".