9661982 has 16 divisors (see below), whose sum is σ = 15865200. Its totient is φ = 4376640.

The previous prime is 9661979. The next prime is 9661991. The reversal of 9661982 is 2891669.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7994 + ... + 9122.

It is an arithmetic number, because the mean of its divisors is an integer number (991575).

Almost surely, 2^9661982 is an apocalyptic number.

9661982 is a deficient number, since it is larger than the sum of its proper divisors (6203218).

9661982 is a wasteful number, since it uses less digits than its factorization.

9661982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its digits is 46656, while the sum is 41.

The square root of 9661982 is about 3108.3728862542. The cubic root of 9661982 is about 212.9881336744.

The spelling of 9661982 in words is "nine million, six hundred sixty-one thousand, nine hundred eighty-two".