9663928 has 16 divisors (see below), whose sum is σ = 18204480. Its totient is φ = 4809408.

The previous prime is 9663923. The next prime is 9663937. The reversal of 9663928 is 8293669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663923) 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 in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 2^9663928 is an apocalyptic number.

It is an amenable number.

9663928 is a deficient number, since it is larger than the sum of its proper divisors (8540552).

9663928 is a wasteful number, since it uses less digits than its factorization.

9663928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5642 counting only the distinct ones).

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

The square root of 9663928 is about 3108.6858960017. The cubic root of 9663928 is about 213.0024318824.

The spelling of 9663928 in words is "nine million, six hundred sixty-three thousand, nine hundred twenty-eight".