9985982 has 12 divisors (see below), whose sum is σ = 15809976. Its totient is φ = 4729860.

The previous prime is 9985973. The next prime is 9985993. The reversal of 9985982 is 2895899.

It is a self number, because there is not a number n which added to its sum of digits gives 9985982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6194 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (1317498).

Almost surely, 2^9985982 is an apocalyptic number.

9985982 is a deficient number, since it is larger than the sum of its proper divisors (5823994).

9985982 is a wasteful number, since it uses less digits than its factorization.

9985982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871 (or 13852 counting only the distinct ones).

The product of its digits is 466560, while the sum is 50.

The square root of 9985982 is about 3160.0604424599. The cubic root of 9985982 is about 215.3427523754.

The spelling of 9985982 in words is "nine million, nine hundred eighty-five thousand, nine hundred eighty-two".