565389006 has 64 divisors (see below), whose sum is σ = 1396674048. Its totient is φ = 148583808.

The previous prime is 565388987. The next prime is 565389007. The reversal of 565389006 is 600983565.

565389006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565389007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165936 + ... + 169308.

It is an arithmetic number, because the mean of its divisors is an integer number (21823032).

Almost surely, 2^565389006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565389006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698337024).

565389006 is an abundant number, since it is smaller than the sum of its proper divisors (831285042).

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

565389006 is a wasteful number, since it uses less digits than its factorization.

565389006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 565389006 is about 23777.9100427266. The cubic root of 565389006 is about 826.8926274502.

The spelling of 565389006 in words is "five hundred sixty-five million, three hundred eighty-nine thousand, six".