9999000936 has 96 divisors (see below), whose sum is σ = 28202428800. Its totient is φ = 3318900480.

The previous prime is 9999000917. The next prime is 9999000983. The reversal of 9999000936 is 6390009999.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453856 + ... + 475376.

It is an arithmetic number, because the mean of its divisors is an integer number (293775300).

Almost surely, 2^9999000936 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 9999000936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14101214400).

9999000936 is an abundant number, since it is smaller than the sum of its proper divisors (18203427864).

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

9999000936 is a wasteful number, since it uses less digits than its factorization.

9999000936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21781 (or 21765 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 9999000936 is about 99995.0045552277. The cubic root of 9999000936 is about 2154.3629403711.

The spelling of 9999000936 in words is "nine billion, nine hundred ninety-nine million, nine hundred thirty-six", and thus it is an aban number.