312107684 has 12 divisors (see below), whose sum is σ = 624215424. Its totient is φ = 133760424.

The previous prime is 312107669. The next prime is 312107701. The reversal of 312107684 is 486701213.

312107684 is an admirable number.

It is a super-2 number, since 2×312107684² = 194822412823687712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 312107684.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573324 + ... + 5573379.

It is an arithmetic number, because the mean of its divisors is an integer number (52017952).

Almost surely, 2^312107684 is an apocalyptic number.

It is an amenable number.

312107684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312107684 is a wasteful number, since it uses less digits than its factorization.

312107684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146714 (or 11146712 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 312107684 is about 17666.5696726897. The cubic root of 312107684 is about 678.3203093738.

Adding to 312107684 its reverse (486701213), we get a palindrome (798808897).

The spelling of 312107684 in words is "three hundred twelve million, one hundred seven thousand, six hundred eighty-four".