566420 has 24 divisors (see below), whose sum is σ = 1204224. Its totient is φ = 223776.

The previous prime is 566417. The next prime is 566429. The reversal of 566420 is 24665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (50176).

2⁵⁶⁶⁴²⁰ is an apocalyptic number.

It is an amenable number.

566420 is an abundant number, since it is smaller than the sum of its proper divisors (637804).

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

566420 is a wasteful number, since it uses less digits than its factorization.

566420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 566420 is about 752.6087961219. The cubic root of 566420 is about 82.7394938637.

The spelling of 566420 in words is "five hundred sixty-six thousand, four hundred twenty".