84895 has 4 divisors (see below), whose sum is σ = 101880. Its totient is φ = 67912.

The previous prime is 84871. The next prime is 84913. The reversal of 84895 is 59848.

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

It is a cyclic number.

It is not a de Polignac number, because 84895 - 2¹¹ = 82847 is a prime.

It is a super-2 number, since 2×84895² = 14414322050, which contains 22 as substring.

84895 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 84895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8485 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (25470).

2⁸⁴⁸⁹⁵ is an apocalyptic number.

84895 is a deficient number, since it is larger than the sum of its proper divisors (16985).

84895 is a wasteful number, since it uses less digits than its factorization.

84895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16984.

The product of its digits is 11520, while the sum is 34.

The square root of 84895 is about 291.3674655826. The cubic root of 84895 is about 43.9501846689.

It can be divided in two parts, 84 and 895, that added together give a palindrome (979).

The spelling of 84895 in words is "eighty-four thousand, eight hundred ninety-five".