979976 has 8 divisors (see below), whose sum is σ = 1837470. Its totient is φ = 489984.

The previous prime is 979969. The next prime is 979987. The reversal of 979976 is 679979.

It can be written as a sum of positive squares in only one way, i.e., 857476 + 122500 = 926^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 979976.

It is an unprimeable number.

979976 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61241 + ... + 61256.

2⁹⁷⁹⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

979976 is a deficient number, since it is larger than the sum of its proper divisors (857494).

979976 is a wasteful number, since it uses less digits than its factorization.

979976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122503 (or 122499 counting only the distinct ones).

The product of its digits is 214326, while the sum is 47.

The square root of 979976 is about 989.9373717564. The cubic root of 979976 is about 99.3280279836.

The spelling of 979976 in words is "nine hundred seventy-nine thousand, nine hundred seventy-six".