9847384140 has 72 divisors (see below), whose sum is σ = 30307178160. Its totient is φ = 2387242880.

The previous prime is 9847384139. The next prime is 9847384177. The reversal of 9847384140 is 414837489.

It is a self number, because there is not a number n which added to its sum of digits gives 9847384140.

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, 670935 + ... + 685454.

It is an arithmetic number, because the mean of its divisors is an integer number (420933030).

Almost surely, 2^9847384140 is an apocalyptic number.

It is an amenable number.

9847384140 is an abundant number, since it is smaller than the sum of its proper divisors (20459794020).

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

9847384140 is a wasteful number, since it uses less digits than its factorization.

9847384140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356423 (or 1356410 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 9847384140 is about 99233.9868190329. The cubic root of 9847384140 is about 2143.4184265180.

The spelling of 9847384140 in words is "nine billion, eight hundred forty-seven million, three hundred eighty-four thousand, one hundred forty".