84655 has 4 divisors (see below), whose sum is σ = 101592. Its totient is φ = 67720.

The previous prime is 84653. The next prime is 84659. The reversal of 84655 is 55648.

84655 = 68² + 69² + ... + 82².

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84655 - 2¹ = 84653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8461 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (25398).

2⁸⁴⁶⁵⁵ is an apocalyptic number.

84655 is a deficient number, since it is larger than the sum of its proper divisors (16937).

84655 is a wasteful number, since it uses less digits than its factorization.

84655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936.

The product of its digits is 4800, while the sum is 28.

The square root of 84655 is about 290.9553230309. The cubic root of 84655 is about 43.9087295388.

The spelling of 84655 in words is "eighty-four thousand, six hundred fifty-five".