312494459 has 16 divisors (see below), whose sum is σ = 350269920. Its totient is φ = 277347840.

The previous prime is 312494453. The next prime is 312494461. The reversal of 312494459 is 954494213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312494459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312494453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13829 + ... + 28569.

It is an arithmetic number, because the mean of its divisors is an integer number (21891870).

Almost surely, 2^312494459 is an apocalyptic number.

312494459 is a deficient number, since it is larger than the sum of its proper divisors (37775461).

312494459 is a wasteful number, since it uses less digits than its factorization.

312494459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830.

The product of its digits is 155520, while the sum is 41.

The square root of 312494459 is about 17677.5128058220. The cubic root of 312494459 is about 678.6003933016.

The spelling of 312494459 in words is "three hundred twelve million, four hundred ninety-four thousand, four hundred fifty-nine".