18936 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (24).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
18936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
218936 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.
18936 is a wasteful number, since it uses less digits than its factorization.
18936 is an evil number, because the sum of its binary digits is even.
The square root of 18936 is about 137.6081392942. The cubic root of 18936 is about 26.6540217827.
The spelling of 18936 in words is "eighteen thousand, nine hundred thirty-six".