568394 has 8 divisors (see below), whose sum is σ = 875748. Its totient is φ = 276480.

The previous prime is 568391. The next prime is 568433. The reversal of 568394 is 493865.

It can be written as a sum of positive squares in 2 ways, for example, as 508369 + 60025 = 713^2 + 245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (568391) 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, 3767 + ... + 3914.

2⁵⁶⁸³⁹⁴ is an apocalyptic number.

568394 is a deficient number, since it is larger than the sum of its proper divisors (307354).

568394 is a wasteful number, since it uses less digits than its factorization.

568394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its digits is 25920, while the sum is 35.

The square root of 568394 is about 753.9190938025. The cubic root of 568394 is about 82.8354994146.

Subtracting from 568394 its reverse (493865), we obtain a square (74529 = 273²).

The spelling of 568394 in words is "five hundred sixty-eight thousand, three hundred ninety-four".