204104 has 16 divisors (see below), whose sum is σ = 395520. Its totient is φ = 98640.

The previous prime is 204101. The next prime is 204107. The reversal of 204104 is 401402.

204104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204101) and next prime (204107).

It is not an unprimeable number, because it can be changed into a prime (204101) 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, 164 + ... + 659.

It is an arithmetic number, because the mean of its divisors is an integer number (24720).

2²⁰⁴¹⁰⁴ is an apocalyptic number.

It is an amenable number.

204104 is a deficient number, since it is larger than the sum of its proper divisors (191416).

204104 is a wasteful number, since it uses less digits than its factorization.

204104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 204104 is about 451.7787068909. The cubic root of 204104 is about 58.8776551228.

Adding to 204104 its reverse (401402), we get a palindrome (605506).

The spelling of 204104 in words is "two hundred four thousand, one hundred four", and thus it is an iban number.