84665 has 16 divisors (see below), whose sum is σ = 120960. Its totient is φ = 55680.

The previous prime is 84659. The next prime is 84673. The reversal of 84665 is 56648.

It is not a de Polignac number, because 84665 - 2⁴ = 84649 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406 + ... + 1464.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁸⁴⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

84665 is a deficient number, since it is larger than the sum of its proper divisors (36295).

84665 is a wasteful number, since it uses less digits than its factorization.

84665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112.

The product of its digits is 5760, while the sum is 29.

The square root of 84665 is about 290.9725072924. The cubic root of 84665 is about 43.9104583991.

The spelling of 84665 in words is "eighty-four thousand, six hundred sixty-five".