9009665 has 16 divisors (see below), whose sum is σ = 12621312. Its totient is φ = 6045504.

The previous prime is 9009659. The next prime is 9009673. The reversal of 9009665 is 5669009.

It is a cyclic number.

It is not a de Polignac number, because 9009665 - 2⁶ = 9009601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

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, 1094 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (788832).

Almost surely, 2^9009665 is an apocalyptic number.

It is an amenable number.

9009665 is a deficient number, since it is larger than the sum of its proper divisors (3611647).

9009665 is a wasteful number, since it uses less digits than its factorization.

9009665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 9009665 is about 3001.6104011014. The cubic root of 9009665 is about 208.0828149643.

The spelling of 9009665 in words is "nine million, nine thousand, six hundred sixty-five".