565998 has 32 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 170880.

The previous prime is 565997. The next prime is 566011. The reversal of 565998 is 899565.

565998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁵⁶⁵⁹⁹⁸ is an apocalyptic number.

565998 is an abundant number, since it is smaller than the sum of its proper divisors (678162).

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

565998 is a wasteful number, since it uses less digits than its factorization.

565998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its digits is 97200, while the sum is 42.

The square root of 565998 is about 752.3283857465. The cubic root of 565998 is about 82.7189409517.

The spelling of 565998 in words is "five hundred sixty-five thousand, nine hundred ninety-eight".