312899814 has 32 divisors (see below), whose sum is σ = 696023040. Its totient is φ = 104196456.

The previous prime is 312899767. The next prime is 312899819. The reversal of 312899814 is 418998213.

It is a self number, because there is not a number n which added to its sum of digits gives 312899814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312899819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68139 + ... + 72585.

It is an arithmetic number, because the mean of its divisors is an integer number (21750720).

Almost surely, 2^312899814 is an apocalyptic number.

312899814 is an abundant number, since it is smaller than the sum of its proper divisors (383123226).

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

312899814 is a wasteful number, since it uses less digits than its factorization.

312899814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761 (or 5755 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 312899814 is about 17688.9743625796. The cubic root of 312899814 is about 678.8936840591.

The spelling of 312899814 in words is "three hundred twelve million, eight hundred ninety-nine thousand, eight hundred fourteen".