9128665 has 16 divisors (see below), whose sum is σ = 13483008. Its totient is φ = 5777856.

The previous prime is 9128659. The next prime is 9128681. The reversal of 9128665 is 5668219.

9128665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9128665 - 2⁹ = 9128153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9577 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 2^9128665 is an apocalyptic number.

It is an amenable number.

9128665 is a deficient number, since it is larger than the sum of its proper divisors (4354343).

9128665 is a wasteful number, since it uses less digits than its factorization.

9128665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088.

The product of its digits is 25920, while the sum is 37.

The square root of 9128665 is about 3021.3680676144. The cubic root of 9128665 is about 208.9949328381.

The spelling of 9128665 in words is "nine million, one hundred twenty-eight thousand, six hundred sixty-five".