8966665 has 16 divisors (see below), whose sum is σ = 11351808. Its totient is φ = 6785856.

The previous prime is 8966653. The next prime is 8966669. The reversal of 8966665 is 5666698.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8966665 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8966669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11467 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (709488).

Almost surely, 2^8966665 is an apocalyptic number.

It is an amenable number.

8966665 is a deficient number, since it is larger than the sum of its proper divisors (2385143).

8966665 is a wasteful number, since it uses less digits than its factorization.

8966665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its digits is 466560, while the sum is 46.

The square root of 8966665 is about 2994.4390125698. The cubic root of 8966665 is about 207.7512512698.

The spelling of 8966665 in words is "eight million, nine hundred sixty-six thousand, six hundred sixty-five".