Subtracting from 99936 its reverse (63999), we obtain a cube (35937 = 333).
It is a tau number, because it is divible by the number of its divisors (36).
It is a nude number because it is divisible by every one of its digits.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 99936.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99936.
It is an unprimeable number.
299936 is an apocalyptic number.
99936 is a gapful number since it is divisible by the number (96) 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 99936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99936 is a wasteful number, since it uses less digits than its factorization.
99936 is an evil number, because the sum of its binary digits is even.
The square root of 99936 is about 316.1265569357. The cubic root of 99936 is about 46.4059841668.
The spelling of 99936 in words is "ninety-nine thousand, nine hundred thirty-six".