312845328 has 50 divisors (see below), whose sum is σ = 905468894. Its totient is φ = 104281344.

The previous prime is 312845261. The next prime is 312845347. The reversal of 312845328 is 823548213.

It can be written as a sum of positive squares in only one way, i.e., 308634624 + 4210704 = 17568^2 + 2052^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 312845292 and 312845301.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119401 + ... + 121992.

Almost surely, 2^312845328 is an apocalyptic number.

It is an amenable number.

312845328 is an abundant number, since it is smaller than the sum of its proper divisors (592623566).

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

312845328 is a wasteful number, since it uses less digits than its factorization.

312845328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241413 (or 241398 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 312845328 is about 17687.4341836231. The cubic root of 312845328 is about 678.8542759729.

The spelling of 312845328 in words is "three hundred twelve million, eight hundred forty-five thousand, three hundred twenty-eight".