986000989 has 2 divisors, whose sum is σ = 986000990. Its totient is φ = 986000988.

The previous prime is 986000941. The next prime is 986001013. The reversal of 986000989 is 989000689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955860889 + 30140100 = 30917^2 + 5490^2 .

It is a cyclic number.

It is not a de Polignac number, because 986000989 - 2¹¹ = 985998941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986000089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493000494 + 493000495.

It is an arithmetic number, because the mean of its divisors is an integer number (493000495).

Almost surely, 2^986000989 is an apocalyptic number.

It is an amenable number.

986000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

986000989 is an equidigital number, since it uses as much as digits as its factorization.

986000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 986000989 is about 31400.6526842994. The cubic root of 986000989 is about 995.3117173553.

The spelling of 986000989 in words is "nine hundred eighty-six million, nine hundred eighty-nine", and thus it is an aban number.