204308 has 12 divisors (see below), whose sum is σ = 385140. Its totient is φ = 94272.

The previous prime is 204301. The next prime is 204311. The reversal of 204308 is 803402.

204308 is digitally balanced in base 3, 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 2 ways, for example, as 29584 + 174724 = 172^2 + 418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204301) by changing a digit.

204308 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, 1913 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (32095).

2²⁰⁴³⁰⁸ is an apocalyptic number.

It is an amenable number.

204308 is a deficient number, since it is larger than the sum of its proper divisors (180832).

204308 is a wasteful number, since it uses less digits than its factorization.

204308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204308 is about 452.0044247571. The cubic root of 204308 is about 58.8972644759.

It can be divided in two parts, 204 and 308, that added together give a 9-th power (512 = 2⁹).

The spelling of 204308 in words is "two hundred four thousand, three hundred eight".