312921796 has 36 divisors (see below), whose sum is σ = 604551024. Its totient is φ = 140545600.

The previous prime is 312921787. The next prime is 312921797. The reversal of 312921796 is 697129213.

It is not an unprimeable number, because it can be changed into a prime (312921797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342896 + ... + 1343128.

It is an arithmetic number, because the mean of its divisors is an integer number (16793084).

Almost surely, 2^312921796 is an apocalyptic number.

It is an amenable number.

312921796 is a deficient number, since it is larger than the sum of its proper divisors (291629228).

312921796 is a wasteful number, since it uses less digits than its factorization.

312921796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 377 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 312921796 is about 17689.5956991673. The cubic root of 312921796 is about 678.9095816838.

The spelling of 312921796 in words is "three hundred twelve million, nine hundred twenty-one thousand, seven hundred ninety-six".