9768666 has 32 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 3122496.

The previous prime is 9768637. The next prime is 9768673. The reversal of 9768666 is 6668679.

It is a happy number.

9768666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 17260 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^9768666 is an apocalyptic number.

9768666 is the 1671-st nonagonal number.

9768666 is an abundant number, since it is smaller than the sum of its proper divisors (10587174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9768666 is a wasteful number, since it uses less digits than its factorization.

9768666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 653184, while the sum is 48.

The square root of 9768666 is about 3125.4865221274. The cubic root of 9768666 is about 213.7691778559.

The spelling of 9768666 in words is "nine million, seven hundred sixty-eight thousand, six hundred sixty-six".