9856668 has 48 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 2928384.

The previous prime is 9856633. The next prime is 9856697. The reversal of 9856668 is 8666589.

9856668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (534240).

Almost surely, 2^9856668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9856668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12821760).

9856668 is an abundant number, since it is smaller than the sum of its proper divisors (15786852).

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

9856668 is a wasteful number, since it uses less digits than its factorization.

9856668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2584 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 9856668 is about 3139.5330863044. The cubic root of 9856668 is about 214.4091801501.

The spelling of 9856668 in words is "nine million, eight hundred fifty-six thousand, six hundred sixty-eight".