9009115 has 4 divisors (see below), whose sum is σ = 10810944. Its totient is φ = 7207288.

The previous prime is 9009107. The next prime is 9009157. The reversal of 9009115 is 5119009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5119009 = 7 ⋅731287.

It is a cyclic number.

It is not a de Polignac number, because 9009115 - 2³ = 9009107 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9009115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900907 + ... + 900916.

It is an arithmetic number, because the mean of its divisors is an integer number (2702736).

Almost surely, 2^9009115 is an apocalyptic number.

9009115 is a deficient number, since it is larger than the sum of its proper divisors (1801829).

9009115 is a wasteful number, since it uses less digits than its factorization.

9009115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801828.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 9009115 is about 3001.5187822168. The cubic root of 9009115 is about 208.0785807011.

The spelling of 9009115 in words is "nine million, nine thousand, one hundred fifteen".