9900792 has 96 divisors (see below), whose sum is σ = 30401280. Its totient is φ = 2993760.

The previous prime is 9900773. The next prime is 9900799. The reversal of 9900792 is 2970099.

9900792 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21153 + ... + 21615.

It is an arithmetic number, because the mean of its divisors is an integer number (316680).

Almost surely, 2^9900792 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 9900792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15200640).

9900792 is an abundant number, since it is smaller than the sum of its proper divisors (20500488).

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

9900792 is a wasteful number, since it uses less digits than its factorization.

9900792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 9900792 is about 3146.5523990552. The cubic root of 9900792 is about 214.7286426937.

It can be divided in two parts, 99007 and 92, that added together give a palindrome (99099).

The spelling of 9900792 in words is "nine million, nine hundred thousand, seven hundred ninety-two".