604404 has 36 divisors (see below), whose sum is σ = 1552096. Its totient is φ = 198288.

The previous prime is 604397. The next prime is 604411. The reversal of 604404 is 404406.

604404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (604397) and next prime (604411).

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

604404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3627 + ... + 3789.

2⁶⁰⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

604404 is an abundant number, since it is smaller than the sum of its proper divisors (947692).

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

604404 is a wasteful number, since it uses less digits than its factorization.

604404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 604404 is about 777.4342415922. The cubic root of 604404 is about 84.5491235440.

The spelling of 604404 in words is "six hundred four thousand, four hundred four".