566620 has 24 divisors (see below), whose sum is σ = 1220688. Its totient is φ = 220800.

The previous prime is 566617. The next prime is 566633. The reversal of 566620 is 26665.

It is a super-3 number, since 3×566620³ = 545754033328584000, which contains 333 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (50862).

2⁵⁶⁶⁶²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610344).

566620 is an abundant number, since it is smaller than the sum of its proper divisors (654068).

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

566620 is a wasteful number, since it uses less digits than its factorization.

566620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 566620 is about 752.7416555499. The cubic root of 566620 is about 82.7492310148.

The spelling of 566620 in words is "five hundred sixty-six thousand, six hundred twenty".