603604 has 6 divisors (see below), whose sum is σ = 1056314. Its totient is φ = 301800.

The previous prime is 603569. The next prime is 603607. The reversal of 603604 is 406306.

It is a happy number.

603604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 44100 = 748^2 + 210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75447 + ... + 75454.

2⁶⁰³⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

603604 is a deficient number, since it is larger than the sum of its proper divisors (452710).

603604 is a wasteful number, since it uses less digits than its factorization.

603604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150905 (or 150903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 603604 is about 776.9195582556. The cubic root of 603604 is about 84.5118034933.

The spelling of 603604 in words is "six hundred three thousand, six hundred four".