9241728 has 64 divisors (see below), whose sum is σ = 25189920. Its totient is φ = 3000320.

The previous prime is 9241723. The next prime is 9241747. The reversal of 9241728 is 8271429.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (9241723) 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, 15451 + ... + 16037.

Almost surely, 2^9241728 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 9241728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12594960).

9241728 is an abundant number, since it is smaller than the sum of its proper divisors (15948192).

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

9241728 is a wasteful number, since it uses less digits than its factorization.

9241728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 633 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 9241728 is about 3040.0210525587. The cubic root of 9241728 is about 209.8542299038.

Subtracting from 9241728 its reverse (8271429), we obtain a cube (970299 = 99³).

The spelling of 9241728 in words is "nine million, two hundred forty-one thousand, seven hundred twenty-eight".