979656 has 16 divisors (see below), whose sum is σ = 2449200. Its totient is φ = 326544.

The previous prime is 979651. The next prime is 979691. The reversal of 979656 is 656979.

It is an Ulam number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (979651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20386 + ... + 20433.

It is an arithmetic number, because the mean of its divisors is an integer number (153075).

2⁹⁷⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

979656 is an abundant number, since it is smaller than the sum of its proper divisors (1469544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979656 is a wasteful number, since it uses less digits than its factorization.

979656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40828 (or 40824 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 979656 is about 989.7757321737. The cubic root of 979656 is about 99.3172153279.

The spelling of 979656 in words is "nine hundred seventy-nine thousand, six hundred fifty-six".