9109856 has 48 divisors (see below), whose sum is σ = 20837376. Its totient is φ = 3839616.

The previous prime is 9109843. The next prime is 9109883. The reversal of 9109856 is 6589019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14705 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (434112).

Almost surely, 2^9109856 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 9109856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10418688).

9109856 is an abundant number, since it is smaller than the sum of its proper divisors (11727520).

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

9109856 is a wasteful number, since it uses less digits than its factorization.

9109856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 9109856 is about 3018.2537997988. The cubic root of 9109856 is about 208.8512941414.

The spelling of 9109856 in words is "nine million, one hundred nine thousand, eight hundred fifty-six".