9099984 has 20 divisors (see below), whose sum is σ = 23508416. Its totient is φ = 3033312.

The previous prime is 9099967. The next prime is 9099989. The reversal of 9099984 is 4899909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 189583 = 9099984 / (9 + 0 + 9 + 9 + 9 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94744 + ... + 94839.

Almost surely, 2^9099984 is an apocalyptic number.

It is an amenable number.

9099984 is an abundant number, since it is smaller than the sum of its proper divisors (14408432).

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

9099984 is a wasteful number, since it uses less digits than its factorization.

9099984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189594 (or 189588 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 9099984 is about 3016.6179738243. The cubic root of 9099984 is about 208.7758255067.

The spelling of 9099984 in words is "nine million, ninety-nine thousand, nine hundred eighty-four".