9956979 has 16 divisors (see below), whose sum is σ = 14822400. Its totient is φ = 6605928.

The previous prime is 9956977. The next prime is 9956993. The reversal of 9956979 is 9796599.

9956979 is a `hidden beast` number, since 9 + 9 + 569 + 79 = 666.

It is not a de Polignac number, because 9956979 - 2¹ = 9956977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9956977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5682 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (926400).

Almost surely, 2^9956979 is an apocalyptic number.

9956979 is a deficient number, since it is larger than the sum of its proper divisors (4865421).

9956979 is a wasteful number, since it uses less digits than its factorization.

9956979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1785 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 54.

The square root of 9956979 is about 3155.4681110732. The cubic root of 9956979 is about 215.1340717762.

The spelling of 9956979 in words is "nine million, nine hundred fifty-six thousand, nine hundred seventy-nine".