9000992028 has 96 divisors (see below), whose sum is σ = 24626635264. Its totient is φ = 2505178368.

The previous prime is 9000992009. The next prime is 9000992029. The reversal of 9000992028 is 8202990009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000992029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1430826 + ... + 1437102.

Almost surely, 2^9000992028 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 9000992028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12313317632).

9000992028 is an abundant number, since it is smaller than the sum of its proper divisors (15625643236).

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

9000992028 is a wasteful number, since it uses less digits than its factorization.

9000992028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731 (or 6729 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9000992028 is about 94873.5581076203. The cubic root of 9000992028 is about 2080.1602462216.

The spelling of 9000992028 in words is "nine billion, nine hundred ninety-two thousand, twenty-eight".