999960000 has 280 divisors, whose sum is σ = 3565971024. Its totient is φ = 245760000.

The previous prime is 999959993. The next prime is 999960011. The reversal of 999960000 is 69999.

999960000 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.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1559680 + ... + 1560320.

Almost surely, 2^999960000 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 999960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782985512).

999960000 is an abundant number, since it is smaller than the sum of its proper divisors (2566011024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999960000 is a wasteful number, since it uses less digits than its factorization.

999960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 999960000 is about 31622.1441398271. The cubic root of 999960000 is about 999.9866664889.

The spelling of 999960000 in words is "nine hundred ninety-nine million, nine hundred sixty thousand".