979569 has 12 divisors (see below), whose sum is σ = 1460992. Its totient is φ = 631800.

The previous prime is 979567. The next prime is 979651. The reversal of 979569 is 965979.

It is not a de Polignac number, because 979569 - 2¹ = 979567 is a prime.

It is a super-2 number, since 2×979569² = 1919110851522, which contains 22 as substring.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 1477 + ... + 2034.

2⁹⁷⁹⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

979569 is a deficient number, since it is larger than the sum of its proper divisors (481423).

979569 is a wasteful number, since it uses less digits than its factorization.

979569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3545 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 979569 is about 989.7317818480. The cubic root of 979569 is about 99.3142752301.

The spelling of 979569 in words is "nine hundred seventy-nine thousand, five hundred sixty-nine".