99988 is an admirable number.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
99988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
299988 is an apocalyptic number.
It is an amenable number.
99988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99988 is a wasteful number, since it uses less digits than its factorization.
99988 is an odious number, because the sum of its binary digits is odd.
The square root of 99988 is about 316.2087917816. The cubic root of 99988 is about 46.4140316263.
The spelling of 99988 in words is "ninety-nine thousand, nine hundred eighty-eight".