It is a tau number, because it is divible by the number of its divisors (120).
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
Almost surely, 299999600 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 99999600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161448000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99999600 is a wasteful number, since it uses less digits than its factorization.
99999600 is an evil number, because the sum of its binary digits is even.
The square root of 99999600 is about 9999.9799999800. The cubic root of 99999600 is about 464.1582644819.
The spelling of 99999600 in words is "ninety-nine million, nine hundred ninety-nine thousand, six hundred".