566839 has 8 divisors (see below), whose sum is σ = 697760. Its totient is φ = 448416.

The previous prime is 566833. The next prime is 566851. The reversal of 566839 is 938665.

566839 is nontrivially palindromic in base 9.

566839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 566798 and 566807.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (87220).

2⁵⁶⁶⁸³⁹ is an apocalyptic number.

566839 is a deficient number, since it is larger than the sum of its proper divisors (130921).

566839 is a wasteful number, since it uses less digits than its factorization.

566839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249.

The product of its digits is 38880, while the sum is 37.

The square root of 566839 is about 752.8871097316. The cubic root of 566839 is about 82.7598905676.

The spelling of 566839 in words is "five hundred sixty-six thousand, eight hundred thirty-nine".