9681944 has 16 divisors (see below), whose sum is σ = 19109400. Its totient is φ = 4586112.

The previous prime is 9681941. The next prime is 9681967. The reversal of 9681944 is 4491869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31697 + ... + 32000.

Almost surely, 2^9681944 is an apocalyptic number.

It is an amenable number.

9681944 is a deficient number, since it is larger than the sum of its proper divisors (9427456).

9681944 is a wasteful number, since it uses less digits than its factorization.

9681944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63722 (or 63718 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 9681944 is about 3111.5822341696. The cubic root of 9681944 is about 213.1347131391.

The spelling of 9681944 in words is "nine million, six hundred eighty-one thousand, nine hundred forty-four".