84686 has 16 divisors (see below), whose sum is σ = 152064. Its totient is φ = 34584.

The previous prime is 84673. The next prime is 84691. The reversal of 84686 is 68648.

84686 = 144² + 145² + ... + 147².

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

84686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (9504).

2⁸⁴⁶⁸⁶ is an apocalyptic number.

84686 is a deficient number, since it is larger than the sum of its proper divisors (67378).

84686 is a wasteful number, since it uses less digits than its factorization.

84686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 9216, while the sum is 32.

The square root of 84686 is about 291.0085909385. The cubic root of 84686 is about 43.9140885626.

The spelling of 84686 in words is "eighty-four thousand, six hundred eighty-six".