985759 has 2 divisors, whose sum is σ = 985760. Its totient is φ = 985758.

The previous prime is 985741. The next prime is 985781. The reversal of 985759 is 957589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985759 - 2⁷ = 985631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492879 + 492880.

It is an arithmetic number, because the mean of its divisors is an integer number (492880).

2⁹⁸⁵⁷⁵⁹ is an apocalyptic number.

985759 is a deficient number, since it is larger than the sum of its proper divisors (1).

985759 is an equidigital number, since it uses as much as digits as its factorization.

985759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 43.

The square root of 985759 is about 992.8539671069. The cubic root of 985759 is about 99.5230285999.

The spelling of 985759 in words is "nine hundred eighty-five thousand, seven hundred fifty-nine".