312468620 has 24 divisors (see below), whose sum is σ = 678812400. Its totient is φ = 120677312.

The previous prime is 312468613. The next prime is 312468631. The reversal of 312468620 is 26864213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268790 + ... + 269949.

It is an arithmetic number, because the mean of its divisors is an integer number (28283850).

Almost surely, 2^312468620 is an apocalyptic number.

It is an amenable number.

312468620 is an abundant number, since it is smaller than the sum of its proper divisors (366343780).

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

312468620 is a wasteful number, since it uses less digits than its factorization.

312468620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538777 (or 538775 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 312468620 is about 17676.7819469495. The cubic root of 312468620 is about 678.5816891418.

The spelling of 312468620 in words is "three hundred twelve million, four hundred sixty-eight thousand, six hundred twenty".