566799 has 4 divisors (see below), whose sum is σ = 755736. Its totient is φ = 377864.

The previous prime is 566791. The next prime is 566821. The reversal of 566799 is 997665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566799 - 2³ = 566791 is a prime.

It is a super-2 number, since 2×566799² = 642522212802, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 566799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566791) 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, 94464 + ... + 94469.

It is an arithmetic number, because the mean of its divisors is an integer number (188934).

2⁵⁶⁶⁷⁹⁹ is an apocalyptic number.

566799 is a deficient number, since it is larger than the sum of its proper divisors (188937).

566799 is a wasteful number, since it uses less digits than its factorization.

566799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188936.

The product of its digits is 102060, while the sum is 42.

The square root of 566799 is about 752.8605448554. The cubic root of 566799 is about 82.7579438223.

The spelling of 566799 in words is "five hundred sixty-six thousand, seven hundred ninety-nine".