312946479 has 6 divisors (see below), whose sum is σ = 452033816. Its totient is φ = 208630980.

The previous prime is 312946463. The next prime is 312946499. The reversal of 312946479 is 974649213.

It is a happy number.

It is not a de Polignac number, because 312946479 - 2⁴ = 312946463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312946499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17385907 + ... + 17385924.

Almost surely, 2^312946479 is an apocalyptic number.

312946479 is a deficient number, since it is larger than the sum of its proper divisors (139087337).

312946479 is a wasteful number, since it uses less digits than its factorization.

312946479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34771837 (or 34771834 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 312946479 is about 17690.2933553969. The cubic root of 312946479 is about 678.9274318143.

It can be divided in two parts, 31294 and 6479, that added together give a palindrome (37773).

The spelling of 312946479 in words is "three hundred twelve million, nine hundred forty-six thousand, four hundred seventy-nine".