568645 has 24 divisors (see below), whose sum is σ = 870048. Its totient is φ = 352800.

The previous prime is 568643. The next prime is 568657. The reversal of 568645 is 546865.

It is not a de Polignac number, because 568645 - 2¹ = 568643 is a prime.

It is a Duffinian number.

568645 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 568645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2590 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (36252).

2⁵⁶⁸⁶⁴⁵ is an apocalyptic number.

568645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

568645 is a deficient number, since it is larger than the sum of its proper divisors (301403).

568645 is a wasteful number, since it uses less digits than its factorization.

568645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 234 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 568645 is about 754.0855389145. The cubic root of 568645 is about 82.8476908702.

The spelling of 568645 in words is "five hundred sixty-eight thousand, six hundred forty-five".