659404 has 12 divisors (see below), whose sum is σ = 1159704. Its totient is φ = 328064.

The previous prime is 659371. The next prime is 659419. The reversal of 659404 is 404956.

659404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (96642).

2⁶⁵⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

659404 is a deficient number, since it is larger than the sum of its proper divisors (500300).

659404 is a wasteful number, since it uses less digits than its factorization.

659404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 659404 is about 812.0369449723. The cubic root of 659404 is about 87.0396613106.

The spelling of 659404 in words is "six hundred fifty-nine thousand, four hundred four".