9099904 has 64 divisors (see below), whose sum is σ = 20710080. Its totient is φ = 3942400.

The previous prime is 9099901. The next prime is 9099907. The reversal of 9099904 is 4099909.

It is an interprime number because it is at equal distance from previous prime (9099901) and next prime (9099907).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (9099901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32244 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (323595).

Almost surely, 2^9099904 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 9099904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10355040).

9099904 is an abundant number, since it is smaller than the sum of its proper divisors (11610176).

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

9099904 is a wasteful number, since it uses less digits than its factorization.

9099904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 9099904 is about 3016.6047139126. The cubic root of 9099904 is about 208.7752137066.

The spelling of 9099904 in words is "nine million, ninety-nine thousand, nine hundred four".