312460979 has 4 divisors (see below), whose sum is σ = 312706560. Its totient is φ = 312215400.

The previous prime is 312460963. The next prime is 312460987. The reversal of 312460979 is 979064213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312460979 - 2⁴ = 312460963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312460579) 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 3 ways as a sum of consecutive naturals, for example, 120872 + ... + 123429.

It is an arithmetic number, because the mean of its divisors is an integer number (78176640).

Almost surely, 2^312460979 is an apocalyptic number.

312460979 is a deficient number, since it is larger than the sum of its proper divisors (245581).

312460979 is a wasteful number, since it uses less digits than its factorization.

312460979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245580.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 312460979 is about 17676.5658146598. The cubic root of 312460979 is about 678.5761578291.

The spelling of 312460979 in words is "three hundred twelve million, four hundred sixty thousand, nine hundred seventy-nine".