It is a congruent number.
It is an unprimeable number.
Almost surely, 218868032 is an apocalyptic number.
18868032 is a gapful number since it is divisible by the number (12) 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 18868032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28346400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18868032 is a wasteful number, since it uses less digits than its factorization.
18868032 is an odious number, because the sum of its binary digits is odd.
The square root of 18868032 is about 4343.7347985346. The cubic root of 18868032 is about 266.2209331490.
The spelling of 18868032 in words is "eighteen million, eight hundred sixty-eight thousand, thirty-two".