566838890 has 16 divisors (see below), whose sum is σ = 1047886632. Its totient is φ = 220607424.

The previous prime is 566838859. The next prime is 566838893. The reversal of 566838890 is 98838665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 490223881 + 76615009 = 22141^2 + 8753^2 .

It is not an unprimeable number, because it can be changed into a prime (566838893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765629 + ... + 766368.

Almost surely, 2^566838890 is an apocalyptic number.

566838890 is a deficient number, since it is larger than the sum of its proper divisors (481047742).

566838890 is a wasteful number, since it uses less digits than its factorization.

566838890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532041.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 566838890 is about 23808.3785672187. The cubic root of 566838890 is about 827.5988521418.

The spelling of 566838890 in words is "five hundred sixty-six million, eight hundred thirty-eight thousand, eight hundred ninety".