566838 has 20 divisors (see below), whose sum is σ = 1270500. Its totient is φ = 188892.

The previous prime is 566833. The next prime is 566851. The reversal of 566838 is 838665.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566833) by changing a digit.

566838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1588 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (63525).

2⁵⁶⁶⁸³⁸ is an apocalyptic number.

566838 is an abundant number, since it is smaller than the sum of its proper divisors (703662).

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

566838 is a wasteful number, since it uses less digits than its factorization.

566838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3504 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 566838 is about 752.8864456211. The cubic root of 566838 is about 82.7598419001.

The spelling of 566838 in words is "five hundred sixty-six thousand, eight hundred thirty-eight".