9284841728 has 36 divisors (see below), whose sum is σ = 18927767040. Its totient is φ = 4543640064.

The previous prime is 9284841721. The next prime is 9284841751. The reversal of 9284841728 is 8271484829.

It is a self number, because there is not a number n which added to its sum of digits gives 9284841728.

It is not an unprimeable number, because it can be changed into a prime (9284841721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373808 + ... + 397871.

Almost surely, 2^9284841728 is an apocalyptic number.

It is an amenable number.

9284841728 is an abundant number, since it is smaller than the sum of its proper divisors (9642925312).

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

9284841728 is an equidigital number, since it uses as much as digits as its factorization.

9284841728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771742 (or 771728 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 53.

The square root of 9284841728 is about 96357.8835799127. The cubic root of 9284841728 is about 2101.8005515987.

The spelling of 9284841728 in words is "nine billion, two hundred eighty-four million, eight hundred forty-one thousand, seven hundred twenty-eight".