205808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
2205808 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205808 is a wasteful number, since it uses less digits than its factorization.
205808 is an odious number, because the sum of its binary digits is odd.
The square root of 205808 is about 453.6606661371. The cubic root of 205808 is about 59.0410515795.
The spelling of 205808 in words is "two hundred five thousand, eight hundred eight".