993929968 has 20 divisors (see below), whose sum is σ = 1950118240. Its totient is φ = 490673664.

The previous prime is 993929953. The next prime is 993929969. The reversal of 993929968 is 869929399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993929969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391905 + ... + 394432.

It is an arithmetic number, because the mean of its divisors is an integer number (97505912).

Almost surely, 2^993929968 is an apocalyptic number.

It is an amenable number.

993929968 is a deficient number, since it is larger than the sum of its proper divisors (956188272).

993929968 is a wasteful number, since it uses less digits than its factorization.

993929968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786424 (or 786418 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 64.

The square root of 993929968 is about 31526.6548812271. The cubic root of 993929968 is about 997.9725482173.

The spelling of 993929968 in words is "nine hundred ninety-three million, nine hundred twenty-nine thousand, nine hundred sixty-eight".