9099 has 8 divisors (see below), whose sum is σ = 13520. Its totient is φ = 6048.

The previous prime is 9091. The next prime is 9103. The reversal of 9099 is 9909.

9099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9099 - 2³ = 9091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 337 = 9099 / (9 + 0 + 9 + 9).

It is a Duffinian number.

9099 is a modest number, since divided by 99 gives 90 as remainder.

It is a plaindrome in base 14 and base 16.

It is not an unprimeable number, because it can be changed into a prime (9091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142 + ... + 195.

It is an arithmetic number, because the mean of its divisors is an integer number (1690).

2⁹⁰⁹⁹ is an apocalyptic number.

9099 is a deficient number, since it is larger than the sum of its proper divisors (4421).

9099 is a wasteful number, since it uses less digits than its factorization.

9099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 9099 is about 95.3886785735. The cubic root of 9099 is about 20.8768300116.

The spelling of 9099 in words is "nine thousand, ninety-nine".