9009099 has 48 divisors (see below), whose sum is σ = 15466464. Its totient is φ = 4992000.

The previous prime is 9009083. The next prime is 9009103. The reversal of 9009099 is 9909009.

9009099 = T₁₀₂₁ + T₁₀₂₂ + ... + T₁₀₃₇.

It is not a de Polignac number, because 9009099 - 2⁴ = 9009083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9009199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89149 + ... + 89249.

It is an arithmetic number, because the mean of its divisors is an integer number (322218).

Almost surely, 2^9009099 is an apocalyptic number.

9009099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9009099 is a deficient number, since it is larger than the sum of its proper divisors (6457365).

9009099 is a wasteful number, since it uses less digits than its factorization.

9009099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 9009099 is about 3001.5161168983. The cubic root of 9009099 is about 208.0784575200.

It can be divided in two parts, 900 and 9099, that added together give a palindrome (9999).

The spelling of 9009099 in words is "nine million, nine thousand, ninety-nine".