566845 has 8 divisors (see below), whose sum is σ = 689976. Its totient is φ = 446976.

The previous prime is 566833. The next prime is 566851. The reversal of 566845 is 548665.

566845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8836 + 558009 = 94^2 + 747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 566845 - 2⁷ = 566717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (86247).

2⁵⁶⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

566845 is a deficient number, since it is larger than the sum of its proper divisors (123131).

566845 is a wasteful number, since it uses less digits than its factorization.

566845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its digits is 28800, while the sum is 34.

The square root of 566845 is about 752.8910943822. The cubic root of 566845 is about 82.7601825715.

The spelling of 566845 in words is "five hundred sixty-six thousand, eight hundred forty-five".