8909099 has 2 divisors, whose sum is σ = 8909100. Its totient is φ = 8909098.

The previous prime is 8909083. The next prime is 8909101. The reversal of 8909099 is 9909098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8909099 - 2⁴ = 8909083 is a prime.

Together with 8909101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8909029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4454549 + 4454550.

It is an arithmetic number, because the mean of its divisors is an integer number (4454550).

Almost surely, 2^8909099 is an apocalyptic number.

8909099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8909099 is an equidigital number, since it uses as much as digits as its factorization.

8909099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 8909099 is about 2984.8113843256. The cubic root of 8909099 is about 207.3057086835.

Subtracting 8909099 from its reverse (9909098), we obtain a palindrome (999999).

The spelling of 8909099 in words is "eight million, nine hundred nine thousand, ninety-nine".