84255 has 16 divisors (see below), whose sum is σ = 139104. Its totient is φ = 43520.

The previous prime is 84247. The next prime is 84263. The reversal of 84255 is 55248.

84255 is a nontrivial binomial coefficient, being equal to C(411, 2).

It is an interprime number because it is at equal distance from previous prime (84247) and next prime (84263).

It is not a de Polignac number, because 84255 - 2³ = 84247 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84255.

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, 547 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (8694).

2⁸⁴²⁵⁵ is an apocalyptic number.

84255 is the 410-th triangular number.

84255 is a deficient number, since it is larger than the sum of its proper divisors (54849).

84255 is a wasteful number, since it uses less digits than its factorization.

84255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its digits is 1600, while the sum is 24.

The square root of 84255 is about 290.2671183582. The cubic root of 84255 is about 43.8394631929.

The spelling of 84255 in words is "eighty-four thousand, two hundred fifty-five".