9983893 has 4 divisors (see below), whose sum is σ = 10080928. Its totient is φ = 9886860.

The previous prime is 9983867. The next prime is 9983929. The reversal of 9983893 is 3983899.

9983893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9983893 is a prime.

It is a Duffinian number.

9983893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9983293) 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, 48363 + ... + 48568.

It is an arithmetic number, because the mean of its divisors is an integer number (2520232).

Almost surely, 2^9983893 is an apocalyptic number.

It is an amenable number.

9983893 is a deficient number, since it is larger than the sum of its proper divisors (97035).

9983893 is a wasteful number, since it uses less digits than its factorization.

9983893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97034.

The product of its digits is 419904, while the sum is 49.

The square root of 9983893 is about 3159.7298935194. The cubic root of 9983893 is about 215.3277352450.

The spelling of 9983893 in words is "nine million, nine hundred eighty-three thousand, eight hundred ninety-three".