999970000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 10.
It is a congruent number.
Almost surely, 2999970000 is an apocalyptic number.
999970000 is the 20000-th heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 999970000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282190349).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
999970000 is a wasteful number, since it uses less digits than its factorization.
999970000 is an odious number, because the sum of its binary digits is odd.
The square root of 999970000 is about 31622.3022564772. The cubic root of 999970000 is about 999.9899999000.
The spelling of 999970000 in words is "nine hundred ninety-nine million, nine hundred seventy thousand".