312675869 has 16 divisors (see below), whose sum is σ = 361981440. Its totient is φ = 267270960.

The previous prime is 312675841. The next prime is 312675877. The reversal of 312675869 is 968576213.

It is not a de Polignac number, because 312675869 - 2⁸ = 312675613 is a prime.

It is a super-2 number, since 2×312675869² = 195532398109810322, 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 (312675809) 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, 4454 + ... + 25400.

It is an arithmetic number, because the mean of its divisors is an integer number (22623840).

Almost surely, 2^312675869 is an apocalyptic number.

It is an amenable number.

312675869 is a deficient number, since it is larger than the sum of its proper divisors (49305571).

312675869 is a wasteful number, since it uses less digits than its factorization.

312675869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040.

The product of its digits is 544320, while the sum is 47.

The square root of 312675869 is about 17682.6431564967. The cubic root of 312675869 is about 678.7316821183.

The spelling of 312675869 in words is "three hundred twelve million, six hundred seventy-five thousand, eight hundred sixty-nine".