9847982 has 16 divisors (see below), whose sum is σ = 15092160. Its totient is φ = 4818528.

The previous prime is 9847969. The next prime is 9847991. The reversal of 9847982 is 2897489.

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 7 ways as a sum of consecutive naturals, for example, 24608 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (943260).

Almost surely, 2^9847982 is an apocalyptic number.

9847982 is a deficient number, since it is larger than the sum of its proper divisors (5244178).

9847982 is a wasteful number, since it uses less digits than its factorization.

9847982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

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

The square root of 9847982 is about 3138.1494546946. The cubic root of 9847982 is about 214.3461803121.

The spelling of 9847982 in words is "nine million, eight hundred forty-seven thousand, nine hundred eighty-two".