604885 has 4 divisors (see below), whose sum is σ = 725868. Its totient is φ = 483904.

The previous prime is 604883. The next prime is 604907. The reversal of 604885 is 588406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 412164 = 439^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 604885 - 2¹ = 604883 is a prime.

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 an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60484 + ... + 60493.

It is an arithmetic number, because the mean of its divisors is an integer number (181467).

2⁶⁰⁴⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

604885 is a deficient number, since it is larger than the sum of its proper divisors (120983).

604885 is a wasteful number, since it uses less digits than its factorization.

604885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120982.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 604885 is about 777.7435309921. The cubic root of 604885 is about 84.5715463743.

The spelling of 604885 in words is "six hundred four thousand, eight hundred eighty-five".