9983983 has 2 divisors, whose sum is σ = 9983984. Its totient is φ = 9983982.

The previous prime is 9983977. The next prime is 9983989. The reversal of 9983983 is 3893899.

It is a balanced prime because it is at equal distance from previous prime (9983977) and next prime (9983989).

It is an emirp because it is prime and its reverse (3893899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9983983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9983989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991991 + 4991992.

It is an arithmetic number, because the mean of its divisors is an integer number (4991992).

Almost surely, 2^9983983 is an apocalyptic number.

9983983 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983983 is an equidigital number, since it uses as much as digits as its factorization.

9983983 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9983983 is about 3159.7441352110. The cubic root of 9983983 is about 215.3283822684.

The spelling of 9983983 in words is "nine million, nine hundred eighty-three thousand, nine hundred eighty-three".