204608 has 28 divisors (see below), whose sum is σ = 426720. Its totient is φ = 97152.

The previous prime is 204601. The next prime is 204613. The reversal of 204608 is 806402.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 204608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204601) by changing a digit.

204608 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, 1403 + ... + 1541.

It is an arithmetic number, because the mean of its divisors is an integer number (15240).

2²⁰⁴⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213360).

204608 is an abundant number, since it is smaller than the sum of its proper divisors (222112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204608 is a wasteful number, since it uses less digits than its factorization.

204608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204608 is about 452.3361581833. The cubic root of 204608 is about 58.9260780615.

The spelling of 204608 in words is "two hundred four thousand, six hundred eight".