979597 has 4 divisors (see below), whose sum is σ = 988380. Its totient is φ = 970816.

The previous prime is 979567. The next prime is 979651. The reversal of 979597 is 795979.

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 171396 + 808201 = 414^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 979597 - 2¹⁹ = 455309 is a prime.

It is a super-2 number, since 2×979597² = 1919220564818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979567) 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, 4222 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (247095).

2⁹⁷⁹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

979597 is a deficient number, since it is larger than the sum of its proper divisors (8783).

979597 is a wasteful number, since it uses less digits than its factorization.

979597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782.

The product of its digits is 178605, while the sum is 46.

The square root of 979597 is about 989.7459269934. The cubic root of 979597 is about 99.3152214875.

The spelling of 979597 in words is "nine hundred seventy-nine thousand, five hundred ninety-seven".