986983 has 2 divisors, whose sum is σ = 986984. Its totient is φ = 986982.

The previous prime is 986981. The next prime is 986989. The reversal of 986983 is 389689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 986983 - 2¹ = 986981 is a prime.

Together with 986981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986981) 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, 493491 + 493492.

It is an arithmetic number, because the mean of its divisors is an integer number (493492).

2⁹⁸⁶⁹⁸³ is an apocalyptic number.

986983 is a deficient number, since it is larger than the sum of its proper divisors (1).

986983 is an equidigital number, since it uses as much as digits as its factorization.

986983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 986983 is about 993.4701807302. The cubic root of 986983 is about 99.5642035736.

The spelling of 986983 in words is "nine hundred eighty-six thousand, nine hundred eighty-three".