312728396 has 48 divisors (see below), whose sum is σ = 595921536. Its totient is φ = 143049984.

The previous prime is 312728389. The next prime is 312728417. The reversal of 312728396 is 693827213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377735 + ... + 378561.

It is an arithmetic number, because the mean of its divisors is an integer number (12415032).

Almost surely, 2^312728396 is an apocalyptic number.

It is an amenable number.

312728396 is a deficient number, since it is larger than the sum of its proper divisors (283193140).

312728396 is a wasteful number, since it uses less digits than its factorization.

312728396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 312728396 is about 17684.1283641575. The cubic root of 312728396 is about 678.7696871222.

The spelling of 312728396 in words is "three hundred twelve million, seven hundred twenty-eight thousand, three hundred ninety-six".