9908089 has 2 divisors, whose sum is σ = 9908090. Its totient is φ = 9908088.

The previous prime is 9908081. The next prime is 9908099. The reversal of 9908089 is 9808099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 2832489 = 2660^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 9908089 - 2³ = 9908081 is a prime.

It is an Ulam number.

9908089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9908081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954044 + 4954045.

It is an arithmetic number, because the mean of its divisors is an integer number (4954045).

Almost surely, 2^9908089 is an apocalyptic number.

It is an amenable number.

9908089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9908089 is an equidigital number, since it uses as much as digits as its factorization.

9908089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 9908089 is about 3147.7117085273. The cubic root of 9908089 is about 214.7813822499.

The spelling of 9908089 in words is "nine million, nine hundred eight thousand, eighty-nine".