9768816 has 40 divisors (see below), whose sum is σ = 28041360. Its totient is φ = 3256128.

The previous prime is 9768799. The next prime is 9768817. The reversal of 9768816 is 6188679.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9768817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10875 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (701034).

Almost surely, 2^9768816 is an apocalyptic number.

It is an amenable number.

9768816 is an abundant number, since it is smaller than the sum of its proper divisors (18272544).

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

9768816 is a wasteful number, since it uses less digits than its factorization.

9768816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22630 (or 22618 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 9768816 is about 3125.5105182994. The cubic root of 9768816 is about 213.7702720078.

The spelling of 9768816 in words is "nine million, seven hundred sixty-eight thousand, eight hundred sixteen".