9884728 has 32 divisors (see below), whose sum is σ = 21312000. Its totient is φ = 4210272.

The previous prime is 9884723. The next prime is 9884741. The reversal of 9884728 is 8274889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9884723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10701 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (666000).

Almost surely, 2^9884728 is an apocalyptic number.

It is an amenable number.

9884728 is an abundant number, since it is smaller than the sum of its proper divisors (11427272).

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

9884728 is a wasteful number, since it uses less digits than its factorization.

9884728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1095 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 9884728 is about 3143.9987277351. The cubic root of 9884728 is about 214.6124476746.

The spelling of 9884728 in words is "nine million, eight hundred eighty-four thousand, seven hundred twenty-eight".