566491839 has 8 divisors (see below), whose sum is σ = 755434800. Its totient is φ = 377605056.

The previous prime is 566491831. The next prime is 566491841. The reversal of 566491839 is 938194665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566491839 - 2³ = 566491831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 566491791 and 566491800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566491831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24979 + ... + 41915.

It is an arithmetic number, because the mean of its divisors is an integer number (94429350).

Almost surely, 2^566491839 is an apocalyptic number.

566491839 is a deficient number, since it is larger than the sum of its proper divisors (188942961).

566491839 is a wasteful number, since it uses less digits than its factorization.

566491839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089.

The product of its digits is 1399680, while the sum is 51.

The square root of 566491839 is about 23801.0890297062. The cubic root of 566491839 is about 827.4299166344.

The spelling of 566491839 in words is "five hundred sixty-six million, four hundred ninety-one thousand, eight hundred thirty-nine".