312839899 has 6 divisors (see below), whose sum is σ = 332325044. Its totient is φ = 294437280.

The previous prime is 312839897. The next prime is 312839929. The reversal of 312839899 is 998938213.

It is not a de Polignac number, because 312839899 - 2¹ = 312839897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312839897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540957 + ... + 541534.

Almost surely, 2^312839899 is an apocalyptic number.

312839899 is a deficient number, since it is larger than the sum of its proper divisors (19485145).

312839899 is a wasteful number, since it uses less digits than its factorization.

312839899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082525 (or 1082508 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The square root of 312839899 is about 17687.2807124216. The cubic root of 312839899 is about 678.8503490897.

The spelling of 312839899 in words is "three hundred twelve million, eight hundred thirty-nine thousand, eight hundred ninety-nine".