312899942 has 8 divisors (see below), whose sum is σ = 494052600. Its totient is φ = 148215744.

The previous prime is 312899921. The next prime is 312899947. The reversal of 312899942 is 249998213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312899947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117067 + ... + 4117142.

It is an arithmetic number, because the mean of its divisors is an integer number (61756575).

Almost surely, 2^312899942 is an apocalyptic number.

312899942 is a deficient number, since it is larger than the sum of its proper divisors (181152658).

312899942 is a wasteful number, since it uses less digits than its factorization.

312899942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8234230.

The product of its digits is 279936, while the sum is 47.

The square root of 312899942 is about 17688.9779806522. The cubic root of 312899942 is about 678.8937766322.

The spelling of 312899942 in words is "three hundred twelve million, eight hundred ninety-nine thousand, nine hundred forty-two".