9993968 has 20 divisors (see below), whose sum is σ = 19457088. Its totient is φ = 4972800.

The previous prime is 9993967. The next prime is 9993989. The reversal of 9993968 is 8693999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993967) 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, 2168 + ... + 4968.

Almost surely, 2^9993968 is an apocalyptic number.

It is an amenable number.

9993968 is a deficient number, since it is larger than the sum of its proper divisors (9463120).

9993968 is a wasteful number, since it uses less digits than its factorization.

9993968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032 (or 3026 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The square root of 9993968 is about 3161.3237733582. The cubic root of 9993968 is about 215.4001417902.

The spelling of 9993968 in words is "nine million, nine hundred ninety-three thousand, nine hundred sixty-eight".