604809 has 24 divisors (see below), whose sum is σ = 954720. Its totient is φ = 367488.

The previous prime is 604801. The next prime is 604811. The reversal of 604809 is 908406.

It is not a de Polignac number, because 604809 - 2³ = 604801 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 604809.

It is not an unprimeable number, because it can be changed into a prime (604801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8994 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2⁶⁰⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

604809 is a deficient number, since it is larger than the sum of its proper divisors (349911).

604809 is a wasteful number, since it uses less digits than its factorization.

604809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 604809 is about 777.6946701630. The cubic root of 604809 is about 84.5680042648.

The spelling of 604809 in words is "six hundred four thousand, eight hundred nine".