18336 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
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 nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
18336 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
218336 is an apocalyptic number.
18336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18336 is a wasteful number, since it uses less digits than its factorization.
18336 is an evil number, because the sum of its binary digits is even.
The square root of 18336 is about 135.4104870385. The cubic root of 18336 is about 26.3694780411.
The spelling of 18336 in words is "eighteen thousand, three hundred thirty-six".