9769856 has 32 divisors (see below), whose sum is σ = 19649280. Its totient is φ = 4838400.

The previous prime is 9769817. The next prime is 9769891. The reversal of 9769856 is 6589679.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15956 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (614040).

Almost surely, 2^9769856 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 9769856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9824640).

9769856 is an abundant number, since it is smaller than the sum of its proper divisors (9879424).

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

9769856 is a wasteful number, since it uses less digits than its factorization.

9769856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 730 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 9769856 is about 3125.6768866919. The cubic root of 9769856 is about 213.7778578194. Note that the first 3 decimals are identical.

The spelling of 9769856 in words is "nine million, seven hundred sixty-nine thousand, eight hundred fifty-six".