566456 has 32 divisors (see below), whose sum is σ = 1194480. Its totient is φ = 249600.

The previous prime is 566453. The next prime is 566521. The reversal of 566456 is 654665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566453) 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, 3530 + ... + 3686.

2⁵⁶⁶⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597240).

566456 is an abundant number, since it is smaller than the sum of its proper divisors (628024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566456 is a wasteful number, since it uses less digits than its factorization.

566456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 211 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 566456 is about 752.6327125498. The cubic root of 566456 is about 82.7412467200.

Subtracting 566456 from its reverse (654665), we obtain a square (88209 = 297²).

The spelling of 566456 in words is "five hundred sixty-six thousand, four hundred fifty-six".