568641 has 4 divisors (see below), whose sum is σ = 758192. Its totient is φ = 379092.

The previous prime is 568627. The next prime is 568643. The reversal of 568641 is 146865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 568641 - 2⁵ = 568609 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 568599 and 568608.

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 3 ways as a sum of consecutive naturals, for example, 94771 + ... + 94776.

It is an arithmetic number, because the mean of its divisors is an integer number (189548).

2⁵⁶⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

568641 is a deficient number, since it is larger than the sum of its proper divisors (189551).

568641 is a wasteful number, since it uses less digits than its factorization.

568641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189550.

The product of its digits is 5760, while the sum is 30.

The square root of 568641 is about 754.0828866908. The cubic root of 568641 is about 82.8474966121.

It can be divided in two parts, 56864 and 1, that added together give a palindrome (56865).

The spelling of 568641 in words is "five hundred sixty-eight thousand, six hundred forty-one".