9768813 has 16 divisors (see below), whose sum is σ = 14032896. Its totient is φ = 6027120.

The previous prime is 9768799. The next prime is 9768817. The reversal of 9768813 is 3188679.

It is not a de Polignac number, because 9768813 - 2⁴ = 9768797 is a prime.

It is a Curzon 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145 + ... + 4422.

It is an arithmetic number, because the mean of its divisors is an integer number (877056).

Almost surely, 2^9768813 is an apocalyptic number.

9768813 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

9768813 is a deficient number, since it is larger than the sum of its proper divisors (4264083).

9768813 is a wasteful number, since it uses less digits than its factorization.

9768813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

The product of its digits is 72576, while the sum is 42.

The square root of 9768813 is about 3125.5100383777. The cubic root of 9768813 is about 213.7702501249.

The spelling of 9768813 in words is "nine million, seven hundred sixty-eight thousand, eight hundred thirteen".