84118 has 8 divisors (see below), whose sum is σ = 127512. Its totient is φ = 41616.

The previous prime is 84089. The next prime is 84121. The reversal of 84118 is 81148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

84118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (15939).

2⁸⁴¹¹⁸ is an apocalyptic number.

84118 is a deficient number, since it is larger than the sum of its proper divisors (43394).

84118 is a wasteful number, since it uses less digits than its factorization.

84118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its digits is 256, while the sum is 22.

The square root of 84118 is about 290.0310328224. The cubic root of 84118 is about 43.8156890759.

It can be divided in two parts, 84 and 118, that added together give a palindrome (202).

The spelling of 84118 in words is "eighty-four thousand, one hundred eighteen".