559404 has 36 divisors (see below), whose sum is σ = 1452360. Its totient is φ = 181440.

The previous prime is 559397. The next prime is 559421. The reversal of 559404 is 404955.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287 + ... + 1665.

2⁵⁵⁹⁴⁰⁴ 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 559404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726180).

559404 is an abundant number, since it is smaller than the sum of its proper divisors (892956).

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

559404 is a wasteful number, since it uses less digits than its factorization.

559404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 559404 is about 747.9331520932. The cubic root of 559404 is about 82.3964541158.

Subtracting from 559404 its reverse (404955), we obtain a square (154449 = 393²).

The spelling of 559404 in words is "five hundred fifty-nine thousand, four hundred four".