568869 has 16 divisors (see below), whose sum is σ = 878592. Its totient is φ = 320688.

The previous prime is 568853. The next prime is 568877. The reversal of 568869 is 968865.

It is not a de Polignac number, because 568869 - 2⁴ = 568853 is a prime.

It is a super-2 number, since 2×568869² = 647223878322, which contains 22 as substring.

568869 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 568869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568069) 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, 2032 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (54912).

2⁵⁶⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

568869 is a deficient number, since it is larger than the sum of its proper divisors (309723).

568869 is a wasteful number, since it uses less digits than its factorization.

568869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

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

The square root of 568869 is about 754.2340485552. The cubic root of 568869 is about 82.8585678652.

The spelling of 568869 in words is "five hundred sixty-eight thousand, eight hundred sixty-nine".