566843420 has 48 divisors (see below), whose sum is σ = 1398485088. Its totient is φ = 190268160.

The previous prime is 566843413. The next prime is 566843423. The reversal of 566843420 is 24348665.

It is a super-2 number, since 2×566843420² = 642622925594592800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566843423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96239 + ... + 101958.

It is an arithmetic number, because the mean of its divisors is an integer number (29135106).

Almost surely, 2^566843420 is an apocalyptic number.

It is an amenable number.

566843420 is an abundant number, since it is smaller than the sum of its proper divisors (831641668).

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

566843420 is a wasteful number, since it uses less digits than its factorization.

566843420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198230 (or 198228 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 566843420 is about 23808.4737016046. The cubic root of 566843420 is about 827.6010567734.

The spelling of 566843420 in words is "five hundred sixty-six million, eight hundred forty-three thousand, four hundred twenty".