9843216 has 80 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 3024000.

The previous prime is 9843203. The next prime is 9843217. The reversal of 9843216 is 6123489.

It is an Ulam number.

Its product of digits (10368) is a multiple of the sum of its prime factors (324).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9843217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39091 + ... + 39341.

It is an arithmetic number, because the mean of its divisors is an integer number (343728).

Almost surely, 2^9843216 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 9843216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749120).

9843216 is an abundant number, since it is smaller than the sum of its proper divisors (17655024).

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

9843216 is a wasteful number, since it uses less digits than its factorization.

9843216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 318 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 9843216 is about 3137.3899980716. The cubic root of 9843216 is about 214.3115966197.

The spelling of 9843216 in words is "nine million, eight hundred forty-three thousand, two hundred sixteen".