566979 has 32 divisors (see below), whose sum is σ = 960000. Its totient is φ = 296352.

The previous prime is 566977. The next prime is 566987. The reversal of 566979 is 979665.

It is not a de Polignac number, because 566979 - 2¹ = 566977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 566979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19537 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (30000).

2⁵⁶⁶⁹⁷⁹ is an apocalyptic number.

566979 is a deficient number, since it is larger than the sum of its proper divisors (393021).

566979 is a wasteful number, since it uses less digits than its factorization.

566979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 58 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 566979 is about 752.9800794178. The cubic root of 566979 is about 82.7667034550.

Subtracting 566979 from its reverse (979665), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 566979 in words is "five hundred sixty-six thousand, nine hundred seventy-nine".