204668 has 12 divisors (see below), whose sum is σ = 377160. Its totient is φ = 96912.

The previous prime is 204667. The next prime is 204679. The reversal of 204668 is 866402.

204668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204667) 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, 1271 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (31430).

2²⁰⁴⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

204668 is a deficient number, since it is larger than the sum of its proper divisors (172492).

204668 is a wasteful number, since it uses less digits than its factorization.

204668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 204668 is about 452.4024756785. The cubic root of 204668 is about 58.9318373982.

It can be divided in two parts, 2046 and 68, that multiplied together give a triangular number (139128 = T₅₂₇).

The spelling of 204668 in words is "two hundred four thousand, six hundred sixty-eight".