9847872 has 112 divisors (see below), whose sum is σ = 29870400. Its totient is φ = 3179520.

The previous prime is 9847847. The next prime is 9847889. The reversal of 9847872 is 2787489.

It is a nialpdrome in base 16.

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 15 ways as a sum of consecutive naturals, for example, 70779 + ... + 70917.

It is an arithmetic number, because the mean of its divisors is an integer number (266700).

Almost surely, 2^9847872 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 9847872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14935200).

9847872 is an abundant number, since it is smaller than the sum of its proper divisors (20022528).

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

9847872 is a wasteful number, since it uses less digits than its factorization.

9847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 185 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9847872 is about 3138.1319283931. The cubic root of 9847872 is about 214.3453822410.

The spelling of 9847872 in words is "nine million, eight hundred forty-seven thousand, eight hundred seventy-two".