9728448 has 56 divisors (see below), whose sum is σ = 26871168. Its totient is φ = 3100416.

The previous prime is 9728443. The next prime is 9728489. The reversal of 9728448 is 8448279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315 + ... + 5517.

Almost surely, 2^9728448 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 9728448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13435584).

9728448 is an abundant number, since it is smaller than the sum of its proper divisors (17142720).

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

9728448 is a wasteful number, since it uses less digits than its factorization.

9728448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2231 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 9728448 is about 3119.0460079967. The cubic root of 9728448 is about 213.4754088319.

The spelling of 9728448 in words is "nine million, seven hundred twenty-eight thousand, four hundred forty-eight".