605904 has 40 divisors (see below), whose sum is σ = 1687392. Its totient is φ = 186240.

The previous prime is 605893. The next prime is 605909. The reversal of 605904 is 409506.

605904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 605904.

It is not an unprimeable number, because it can be changed into a prime (605909) 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, 139 + ... + 1109.

2⁶⁰⁵⁹⁰⁴ 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 605904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843696).

605904 is an abundant number, since it is smaller than the sum of its proper divisors (1081488).

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

605904 is a wasteful number, since it uses less digits than its factorization.

605904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 605904 is about 778.3983555995. The cubic root of 605904 is about 84.6190099739.

The spelling of 605904 in words is "six hundred five thousand, nine hundred four".