979973 has 4 divisors (see below), whose sum is σ = 986700. Its totient is φ = 973248.

The previous prime is 979969. The next prime is 979987. The reversal of 979973 is 379979.

979973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 368449 = 782^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 979973 - 2² = 979969 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (246675).

2⁹⁷⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

979973 is a deficient number, since it is larger than the sum of its proper divisors (6727).

979973 is a wasteful number, since it uses less digits than its factorization.

979973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726.

The product of its digits is 107163, while the sum is 44.

The square root of 979973 is about 989.9358565079. The cubic root of 979973 is about 99.3279266259.

The spelling of 979973 in words is "nine hundred seventy-nine thousand, nine hundred seventy-three".