986239 has 2 divisors, whose sum is σ = 986240. Its totient is φ = 986238.

The previous prime is 986213. The next prime is 986257. The reversal of 986239 is 932689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 986239 - 2⁵ = 986207 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 986198 and 986207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986339) 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, 493119 + 493120.

It is an arithmetic number, because the mean of its divisors is an integer number (493120).

2⁹⁸⁶²³⁹ is an apocalyptic number.

986239 is a deficient number, since it is larger than the sum of its proper divisors (1).

986239 is an equidigital number, since it uses as much as digits as its factorization.

986239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 986239 is about 993.0956650797. The cubic root of 986239 is about 99.5391797085.

It can be divided in two parts, 986 and 239, that added together give a triangular number (1225 = T₄₉).

The spelling of 986239 in words is "nine hundred eighty-six thousand, two hundred thirty-nine".