9789982 has 8 divisors (see below), whose sum is σ = 15026616. Its totient is φ = 4781112.

The previous prime is 9789971. The next prime is 9789991. The reversal of 9789982 is 2899879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 56833 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (1878327).

Almost surely, 2^9789982 is an apocalyptic number.

9789982 is a deficient number, since it is larger than the sum of its proper divisors (5236634).

9789982 is a wasteful number, since it uses less digits than its factorization.

9789982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113882.

The product of its digits is 653184, while the sum is 52.

The square root of 9789982 is about 3128.8946930186. The cubic root of 9789982 is about 213.9245519689.

The spelling of 9789982 in words is "nine million, seven hundred eighty-nine thousand, nine hundred eighty-two".