84086 has 4 divisors (see below), whose sum is σ = 126132. Its totient is φ = 42042.

The previous prime is 84067. The next prime is 84089. The reversal of 84086 is 68048.

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

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 84086.

It is not an unprimeable number, because it can be changed into a prime (84089) by changing a digit.

84086 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 as a sum of consecutive naturals, namely, 21020 + ... + 21023.

It is an arithmetic number, because the mean of its divisors is an integer number (31533).

2⁸⁴⁰⁸⁶ is an apocalyptic number.

84086 is a deficient number, since it is larger than the sum of its proper divisors (42046).

84086 is a wasteful number, since it uses less digits than its factorization.

84086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42045.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 84086 is about 289.9758610643. The cubic root of 84086 is about 43.8101322792.

The spelling of 84086 in words is "eighty-four thousand, eighty-six".