566889 has 8 divisors (see below), whose sum is σ = 760032. Its totient is φ = 375840.

The previous prime is 566879. The next prime is 566911. The reversal of 566889 is 988665.

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

It is not a de Polignac number, because 566889 - 2⁵ = 566857 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 566889.

It is not an unprimeable number, because it can be changed into a prime (566879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (95004).

2⁵⁶⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

566889 is a deficient number, since it is larger than the sum of its proper divisors (193143).

566889 is a wasteful number, since it uses less digits than its factorization.

566889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its digits is 103680, while the sum is 42.

The square root of 566889 is about 752.9203145088. The cubic root of 566889 is about 82.7623238705.

The spelling of 566889 in words is "five hundred sixty-six thousand, eight hundred eighty-nine".