9979456 has 28 divisors (see below), whose sum is σ = 19923760. Its totient is φ = 4959360.

The previous prime is 9979433. The next prime is 9979469. The reversal of 9979456 is 6549799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13135 + ... + 13873.

Almost surely, 2^9979456 is an apocalyptic number.

It is an amenable number.

9979456 is a deficient number, since it is larger than the sum of its proper divisors (9944304).

9979456 is a wasteful number, since it uses less digits than its factorization.

9979456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 952 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 9979456 is about 3159.0276985174. The cubic root of 9979456 is about 215.2958321677.

The spelling of 9979456 in words is "nine million, nine hundred seventy-nine thousand, four hundred fifty-six".