9747216 has 120 divisors (see below), whose sum is σ = 29789760. Its totient is φ = 3079296.

The previous prime is 9747203. The next prime is 9747223. The reversal of 9747216 is 6127479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89370 + ... + 89478.

It is an arithmetic number, because the mean of its divisors is an integer number (248248).

Almost surely, 2^9747216 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 9747216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14894880).

9747216 is an abundant number, since it is smaller than the sum of its proper divisors (20042544).

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

9747216 is a wasteful number, since it uses less digits than its factorization.

9747216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 137 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 9747216 is about 3122.0531705914. The cubic root of 9747216 is about 213.6125986761.

The spelling of 9747216 in words is "nine million, seven hundred forty-seven thousand, two hundred sixteen".