566990 has 24 divisors (see below), whose sum is σ = 1072440. Its totient is φ = 215760.

The previous prime is 566987. The next prime is 566999. The reversal of 566990 is 99665.

566990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 566990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566999) 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, 9581 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (44685).

2⁵⁶⁶⁹⁹⁰ is an apocalyptic number.

566990 is a deficient number, since it is larger than the sum of its proper divisors (505450).

566990 is a wasteful number, since it uses less digits than its factorization.

566990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 566990 is about 752.9873836924. The cubic root of 566990 is about 82.7672387058.

The spelling of 566990 in words is "five hundred sixty-six thousand, nine hundred ninety".