It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
Almost surely, 29999288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9999288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15093540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9999288 is a wasteful number, since it uses less digits than its factorization.
9999288 is an odious number, because the sum of its binary digits is odd.
The square root of 9999288 is about 3162.1650810797. The cubic root of 9999288 is about 215.4383556902.
The spelling of 9999288 in words is "nine million, nine hundred ninety-nine thousand, two hundred eighty-eight".