985667 has 2 divisors, whose sum is σ = 985668. Its totient is φ = 985666.

The previous prime is 985657. The next prime is 985679. The reversal of 985667 is 766589.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (985657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492833 + 492834.

It is an arithmetic number, because the mean of its divisors is an integer number (492834).

2⁹⁸⁵⁶⁶⁷ is an apocalyptic number.

985667 is a deficient number, since it is larger than the sum of its proper divisors (1).

985667 is an equidigital number, since it uses as much as digits as its factorization.

985667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 985667 is about 992.8076349424. The cubic root of 985667 is about 99.5199323720.

The spelling of 985667 in words is "nine hundred eighty-five thousand, six hundred sixty-seven".