9668915 has 4 divisors (see below), whose sum is σ = 11602704. Its totient is φ = 7735128.

The previous prime is 9668909. The next prime is 9668921. The reversal of 9668915 is 5198669.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9668909) and next prime (9668921).

It is a cyclic number.

It is not a de Polignac number, because 9668915 - 2⁴ = 9668899 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 966887 + ... + 966896.

It is an arithmetic number, because the mean of its divisors is an integer number (2900676).

Almost surely, 2^9668915 is an apocalyptic number.

9668915 is a deficient number, since it is larger than the sum of its proper divisors (1933789).

9668915 is a wasteful number, since it uses less digits than its factorization.

9668915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933788.

The product of its digits is 116640, while the sum is 44.

The square root of 9668915 is about 3109.4878999604. The cubic root of 9668915 is about 213.0390650354.

The spelling of 9668915 in words is "nine million, six hundred sixty-eight thousand, nine hundred fifteen".