312608442 has 16 divisors (see below), whose sum is σ = 625413312. Its totient is φ = 104170080.

The previous prime is 312608431. The next prime is 312608459. The reversal of 312608442 is 244806213.

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, 19942 + ... + 31982.

It is an arithmetic number, because the mean of its divisors is an integer number (39088332).

Almost surely, 2^312608442 is an apocalyptic number.

312608442 is an abundant number, since it is smaller than the sum of its proper divisors (312804870).

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

312608442 is a wasteful number, since it uses less digits than its factorization.

312608442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 312608442 is about 17680.7364665616. The cubic root of 312608442 is about 678.6828902375.

The spelling of 312608442 in words is "three hundred twelve million, six hundred eight thousand, four hundred forty-two".