9768915 has 24 divisors (see below), whose sum is σ = 18236400. Its totient is φ = 4809024.

The previous prime is 9768901. The next prime is 9768917. The reversal of 9768915 is 5198679.

It is not a de Polignac number, because 9768915 - 2⁵ = 9768883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9768917) 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 23 ways as a sum of consecutive naturals, for example, 7765 + ... + 8934.

It is an arithmetic number, because the mean of its divisors is an integer number (759850).

Almost surely, 2^9768915 is an apocalyptic number.

9768915 is a deficient number, since it is larger than the sum of its proper divisors (8467485).

9768915 is a wasteful number, since it uses less digits than its factorization.

9768915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723 (or 16720 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 9768915 is about 3125.5263556720. The cubic root of 9768915 is about 213.7709941419.

The spelling of 9768915 in words is "nine million, seven hundred sixty-eight thousand, nine hundred fifteen".