604040 has 16 divisors (see below), whose sum is σ = 1359180. Its totient is φ = 241600.

The previous prime is 604031. The next prime is 604057. The reversal of 604040 is 40406.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 47524 = 746^2 + 218^2 .

It is an unprimeable number.

604040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511 + ... + 7590.

2⁶⁰⁴⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

604040 is an abundant number, since it is smaller than the sum of its proper divisors (755140).

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

604040 is a wasteful number, since it uses less digits than its factorization.

604040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112 (or 15108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 604040 is about 777.2001029336. The cubic root of 604040 is about 84.5321470066.

Adding to 604040 its reverse (40406), we get a palindrome (644446).

The spelling of 604040 in words is "six hundred four thousand, forty".