979928 has 16 divisors (see below), whose sum is σ = 1847880. Its totient is φ = 487168.

The previous prime is 979921. The next prime is 979949. The reversal of 979928 is 829979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979921) 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 3 ways as a sum of consecutive naturals, for example, 2600 + ... + 2952.

2⁹⁷⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

979928 is a deficient number, since it is larger than the sum of its proper divisors (867952).

979928 is a wasteful number, since it uses less digits than its factorization.

979928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 979928 is about 989.9131275016. The cubic root of 979928 is about 99.3264062354.

The spelling of 979928 in words is "nine hundred seventy-nine thousand, nine hundred twenty-eight".