9984872 has 16 divisors (see below), whose sum is σ = 18986400. Its totient is φ = 4921840.

The previous prime is 9984869. The next prime is 9984881. The reversal of 9984872 is 2784899.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8222 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (1186650).

Almost surely, 2^9984872 is an apocalyptic number.

It is an amenable number.

9984872 is a deficient number, since it is larger than the sum of its proper divisors (9001528).

9984872 is a wasteful number, since it uses less digits than its factorization.

9984872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17652 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 9984872 is about 3159.8848080270. The cubic root of 9984872 is about 215.3347732131.

The spelling of 9984872 in words is "nine million, nine hundred eighty-four thousand, eight hundred seventy-two".