9691982 has 4 divisors (see below), whose sum is σ = 14537976. Its totient is φ = 4845990.

The previous prime is 9691963. The next prime is 9691987. The reversal of 9691982 is 2891969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2891969 = 83 ⋅34843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9691987) 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, 2422994 + ... + 2422997.

It is an arithmetic number, because the mean of its divisors is an integer number (3634494).

Almost surely, 2^9691982 is an apocalyptic number.

9691982 is a deficient number, since it is larger than the sum of its proper divisors (4845994).

9691982 is a wasteful number, since it uses less digits than its factorization.

9691982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845993.

The product of its digits is 69984, while the sum is 44.

The square root of 9691982 is about 3113.1948220437. The cubic root of 9691982 is about 213.2083452974.

The spelling of 9691982 in words is "nine million, six hundred ninety-one thousand, nine hundred eighty-two".