9668859 has 4 divisors (see below), whose sum is σ = 12891816. Its totient is φ = 6445904.

The previous prime is 9668833. The next prime is 9668873. The reversal of 9668859 is 9588669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9588669 = 3 ⋅3196223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9668859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9668819) 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 3 ways as a sum of consecutive naturals, for example, 1611474 + ... + 1611479.

It is an arithmetic number, because the mean of its divisors is an integer number (3222954).

Almost surely, 2^9668859 is an apocalyptic number.

9668859 is a deficient number, since it is larger than the sum of its proper divisors (3222957).

9668859 is a wasteful number, since it uses less digits than its factorization.

9668859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222956.

The product of its digits is 933120, while the sum is 51.

The square root of 9668859 is about 3109.4788952492. The cubic root of 9668859 is about 213.0386537445.

The spelling of 9668859 in words is "nine million, six hundred sixty-eight thousand, eight hundred fifty-nine".