9663982 has 4 divisors (see below), whose sum is σ = 14495976. Its totient is φ = 4831990.

The previous prime is 9663977. The next prime is 9664003. The reversal of 9663982 is 2893669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2893669 = 659 ⋅4391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415994 + ... + 2415997.

It is an arithmetic number, because the mean of its divisors is an integer number (3623994).

Almost surely, 2^9663982 is an apocalyptic number.

9663982 is a deficient number, since it is larger than the sum of its proper divisors (4831994).

9663982 is a wasteful number, since it uses less digits than its factorization.

9663982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831993.

The product of its digits is 139968, while the sum is 43.

The square root of 9663982 is about 3108.6945813315. The cubic root of 9663982 is about 213.0028286193.

It can be divided in two parts, 96639 and 82, that added together give a square (96721 = 311²).

The spelling of 9663982 in words is "nine million, six hundred sixty-three thousand, nine hundred eighty-two".