559640 has 32 divisors (see below), whose sum is σ = 1334880. Its totient is φ = 210432.

The previous prime is 559639. The next prime is 559649. The reversal of 559640 is 46955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559649) 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, 269 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (41715).

2⁵⁵⁹⁶⁴⁰ 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 559640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667440).

559640 is an abundant number, since it is smaller than the sum of its proper divisors (775240).

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

559640 is a wasteful number, since it uses less digits than its factorization.

559640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 559640 is about 748.0909035672. The cubic root of 559640 is about 82.4080395587.

The spelling of 559640 in words is "five hundred fifty-nine thousand, six hundred forty".