9855776 has 48 divisors (see below), whose sum is σ = 23151744. Its totient is φ = 4038144.

The previous prime is 9855743. The next prime is 9855787. The reversal of 9855776 is 6775589.

It is a happy number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 9855776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4196 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (482328).

Almost surely, 2^9855776 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 9855776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11575872).

9855776 is an abundant number, since it is smaller than the sum of its proper divisors (13295968).

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

9855776 is a wasteful number, since it uses less digits than its factorization.

9855776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1945 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The square root of 9855776 is about 3139.3910237497. The cubic root of 9855776 is about 214.4027121510.

The spelling of 9855776 in words is "nine million, eight hundred fifty-five thousand, seven hundred seventy-six".