999908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
2999908 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 999908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
999908 is a wasteful number, since it uses less digits than its factorization.
999908 is an evil number, because the sum of its binary digits is even.
The square root of 999908 is about 999.9539989420. The cubic root of 999908 is about 99.9969332393.
The spelling of 999908 in words is "nine hundred ninety-nine thousand, nine hundred eight".