84659 has 2 divisors, whose sum is σ = 84660. Its totient is φ = 84658.

The previous prime is 84653. The next prime is 84673. The reversal of 84659 is 95648.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84659 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84659.

It is not a weakly prime, because it can be changed into another prime (84653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42329 + 42330.

It is an arithmetic number, because the mean of its divisors is an integer number (42330).

2⁸⁴⁶⁵⁹ is an apocalyptic number.

84659 is a deficient number, since it is larger than the sum of its proper divisors (1).

84659 is an equidigital number, since it uses as much as digits as its factorization.

84659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 84659 is about 290.9621968573. The cubic root of 84659 is about 43.9094210992.

The spelling of 84659 in words is "eighty-four thousand, six hundred fifty-nine".