9982783 has 2 divisors, whose sum is σ = 9982784. Its totient is φ = 9982782.

The previous prime is 9982781. The next prime is 9982787. The reversal of 9982783 is 3872899.

It is a weak prime.

It is an emirp because it is prime and its reverse (3872899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9982783 - 2¹ = 9982781 is a prime.

Together with 9982781, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9982781) 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 as a sum of consecutive naturals, namely, 4991391 + 4991392.

It is an arithmetic number, because the mean of its divisors is an integer number (4991392).

Almost surely, 2^9982783 is an apocalyptic number.

9982783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9982783 is an equidigital number, since it uses as much as digits as its factorization.

9982783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 9982783 is about 3159.5542407118. The cubic root of 9982783 is about 215.3197549697.

The spelling of 9982783 in words is "nine million, nine hundred eighty-two thousand, seven hundred eighty-three".