564989466 has 16 divisors (see below), whose sum is σ = 1143594144. Its totient is φ = 186060624.

The previous prime is 564989461. The next prime is 564989473. The reversal of 564989466 is 664989465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (564989461) 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, 566761 + ... + 567756.

It is an arithmetic number, because the mean of its divisors is an integer number (71474634).

Almost surely, 2^564989466 is an apocalyptic number.

564989466 is an abundant number, since it is smaller than the sum of its proper divisors (578604678).

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

564989466 is a wasteful number, since it uses less digits than its factorization.

564989466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134605.

The product of its digits is 11197440, while the sum is 57.

The square root of 564989466 is about 23769.5070626212. The cubic root of 564989466 is about 826.6978031615.

Subtracting 564989466 from its reverse (664989465), we obtain a palindrome (99999999).

The spelling of 564989466 in words is "five hundred sixty-four million, nine hundred eighty-nine thousand, four hundred sixty-six".