993921368 has 16 divisors (see below), whose sum is σ = 2033021160. Its totient is φ = 451782400.

The previous prime is 993921367. The next prime is 993921389. The reversal of 993921368 is 863129399.

993921368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993921367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647193 + ... + 5647368.

Almost surely, 2^993921368 is an apocalyptic number.

It is an amenable number.

993921368 is an abundant number, since it is smaller than the sum of its proper divisors (1039099792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993921368 is a wasteful number, since it uses less digits than its factorization.

993921368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294578 (or 11294574 counting only the distinct ones).

The product of its digits is 629856, while the sum is 50.

The square root of 993921368 is about 31526.5184884091. The cubic root of 993921368 is about 997.9696698828.

The spelling of 993921368 in words is "nine hundred ninety-three million, nine hundred twenty-one thousand, three hundred sixty-eight".