604489 has 4 divisors (see below), whose sum is σ = 611856. Its totient is φ = 597124.

The previous prime is 604481. The next prime is 604517. The reversal of 604489 is 984406.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 604489 - 2³ = 604481 is a prime.

It is a super-2 number, since 2×604489² = 730813902242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 604489.

It is not an unprimeable number, because it can be changed into a prime (604481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (152964).

2⁶⁰⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

604489 is a deficient number, since it is larger than the sum of its proper divisors (7367).

604489 is an equidigital number, since it uses as much as digits as its factorization.

604489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 604489 is about 777.4889066733. The cubic root of 604489 is about 84.5530868636.

The spelling of 604489 in words is "six hundred four thousand, four hundred eighty-nine".