312998284 has 12 divisors (see below), whose sum is σ = 558082224. Its totient is φ = 153546224.

The previous prime is 312998251. The next prime is 312998297. The reversal of 312998284 is 482899213.

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, 737992 + ... + 738415.

It is an arithmetic number, because the mean of its divisors is an integer number (46506852).

Almost surely, 2^312998284 is an apocalyptic number.

It is an amenable number.

312998284 is a deficient number, since it is larger than the sum of its proper divisors (245083940).

312998284 is a wasteful number, since it uses less digits than its factorization.

312998284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476464 (or 1476462 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 312998284 is about 17691.7575158603. The cubic root of 312998284 is about 678.9648928471.

The spelling of 312998284 in words is "three hundred twelve million, nine hundred ninety-eight thousand, two hundred eighty-four".