9909089 has 6 divisors (see below), whose sum is σ = 10458450. Its totient is φ = 9387216.

The previous prime is 9909071. The next prime is 9909091. The reversal of 9909089 is 9809099.

9909089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 667489 = 3040^2 + 817^2 .

It is not a de Polignac number, because 9909089 - 2¹⁶ = 9843553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9909019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13364 + ... + 14085.

It is an arithmetic number, because the mean of its divisors is an integer number (1743075).

Almost surely, 2^9909089 is an apocalyptic number.

It is an amenable number.

9909089 is a deficient number, since it is larger than the sum of its proper divisors (549361).

9909089 is a wasteful number, since it uses less digits than its factorization.

9909089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27487 (or 27468 counting only the distinct ones).

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

The square root of 9909089 is about 3147.8705500703. The cubic root of 9909089 is about 214.7886077992.

The spelling of 9909089 in words is "nine million, nine hundred nine thousand, eighty-nine".