204675 has 12 divisors (see below), whose sum is σ = 338520. Its totient is φ = 109120.

The previous prime is 204667. The next prime is 204679. The reversal of 204675 is 576402.

It is a happy number.

It is not a de Polignac number, because 204675 - 2³ = 204667 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (204679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (28210).

2²⁰⁴⁶⁷⁵ is an apocalyptic number.

204675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204675 is a deficient number, since it is larger than the sum of its proper divisors (133845).

204675 is a wasteful number, since it uses less digits than its factorization.

204675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 204675 is about 452.4102120863. The cubic root of 204675 is about 58.9325092475.

The spelling of 204675 in words is "two hundred four thousand, six hundred seventy-five".