9885982 has 4 divisors (see below), whose sum is σ = 14828976. Its totient is φ = 4942990.

The previous prime is 9885979. The next prime is 9885989. The reversal of 9885982 is 2895889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2895889 = 431 ⋅6719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471494 + ... + 2471497.

It is an arithmetic number, because the mean of its divisors is an integer number (3707244).

Almost surely, 2^9885982 is an apocalyptic number.

9885982 is a deficient number, since it is larger than the sum of its proper divisors (4942994).

9885982 is a wasteful number, since it uses less digits than its factorization.

9885982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942993.

The product of its digits is 414720, while the sum is 49.

The square root of 9885982 is about 3144.1981489722. The cubic root of 9885982 is about 214.6215227052.

The spelling of 9885982 in words is "nine million, eight hundred eighty-five thousand, nine hundred eighty-two".