559664 has 40 divisors (see below), whose sum is σ = 1309440. Its totient is φ = 226368.

The previous prime is 559649. The next prime is 559667. The reversal of 559664 is 466955.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (559667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (32736).

2⁵⁵⁹⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 559664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654720).

559664 is an abundant number, since it is smaller than the sum of its proper divisors (749776).

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

559664 is a wasteful number, since it uses less digits than its factorization.

559664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 559664 is about 748.1069442266. The cubic root of 559664 is about 82.4092175568.

The spelling of 559664 in words is "five hundred fifty-nine thousand, six hundred sixty-four".