2456979 has 16 divisors (see below), whose sum is σ = 3793920. Its totient is φ = 1385280.

The previous prime is 2456963. The next prime is 2456981. The reversal of 2456979 is 9796542.

It is not a de Polignac number, because 2456979 - 2⁴ = 2456963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2456979.

It is not an unprimeable number, because it can be changed into a prime (2456939) 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, 919 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (237120).

2^2456979 is an apocalyptic number.

2456979 is a deficient number, since it is larger than the sum of its proper divisors (1336941).

2456979 is a wasteful number, since it uses less digits than its factorization.

2456979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 136080, while the sum is 42.

The square root of 2456979 is about 1567.4753586580. The cubic root of 2456979 is about 134.9378589177.

The spelling of 2456979 in words is "two million, four hundred fifty-six thousand, nine hundred seventy-nine".