604604 has 48 divisors (see below), whose sum is σ = 1430016. Its totient is φ = 216000.

The previous prime is 604603. The next prime is 604609. The reversal of 604604 is 406406.

604604 = 105² + 106² + ... + 143².

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604603) 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 15 ways as a sum of consecutive naturals, for example, 3929 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (29792).

2⁶⁰⁴⁶⁰⁴ 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 604604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715008).

604604 is an abundant number, since it is smaller than the sum of its proper divisors (825412).

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

604604 is a wasteful number, since it uses less digits than its factorization.

604604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 604604 is about 777.5628591953. The cubic root of 604604 is about 84.5584484105.

It can be divided in two parts, 60 and 4604, that added together give a palindrome (4664).

The spelling of 604604 in words is "six hundred four thousand, six hundred four".