605604 has 24 divisors (see below), whose sum is σ = 1429120. Its totient is φ = 199584.

The previous prime is 605603. The next prime is 605609. The reversal of 605604 is 406506.

605604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (605603) 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, 1077 + ... + 1539.

2⁶⁰⁵⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

605604 is an abundant number, since it is smaller than the sum of its proper divisors (823516).

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

605604 is a wasteful number, since it uses less digits than its factorization.

605604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 605604 is about 778.2056283528. The cubic root of 605604 is about 84.6050419230.

The spelling of 605604 in words is "six hundred five thousand, six hundred four".