986849 has 2 divisors, whose sum is σ = 986850. Its totient is φ = 986848.

The previous prime is 986837. The next prime is 986851. The reversal of 986849 is 948689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 322624 = 815^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 986849 - 2⁸ = 986593 is a prime.

Together with 986851, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (986819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493424 + 493425.

It is an arithmetic number, because the mean of its divisors is an integer number (493425).

2⁹⁸⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

986849 is a deficient number, since it is larger than the sum of its proper divisors (1).

986849 is an equidigital number, since it uses as much as digits as its factorization.

986849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 986849 is about 993.4027380675. The cubic root of 986849 is about 99.5596975159.

The spelling of 986849 in words is "nine hundred eighty-six thousand, eight hundred forty-nine".