985867 has 2 divisors, whose sum is σ = 985868. Its totient is φ = 985866.

The previous prime is 985819. The next prime is 985871. The reversal of 985867 is 768589.

It is a happy number.

985867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (768589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985867 - 2¹¹ = 983819 is a prime.

It is not a weakly prime, because it can be changed into another prime (985807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492933 + 492934.

It is an arithmetic number, because the mean of its divisors is an integer number (492934).

2⁹⁸⁵⁸⁶⁷ is an apocalyptic number.

985867 is a deficient number, since it is larger than the sum of its proper divisors (1).

985867 is an equidigital number, since it uses as much as digits as its factorization.

985867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 985867 is about 992.9083542805. The cubic root of 985867 is about 99.5266630564.

The spelling of 985867 in words is "nine hundred eighty-five thousand, eight hundred sixty-seven".