84091 has 8 divisors (see below), whose sum is σ = 98784. Its totient is φ = 70080.

The previous prime is 84089. The next prime is 84121. The reversal of 84091 is 19048.

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

It is a cyclic number.

It is not a de Polignac number, because 84091 - 2¹ = 84089 is a prime.

84091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (84011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (12348).

2⁸⁴⁰⁹¹ is an apocalyptic number.

84091 is a deficient number, since it is larger than the sum of its proper divisors (14693).

84091 is a wasteful number, since it uses less digits than its factorization.

84091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 84091 is about 289.9844823435. The cubic root of 84091 is about 43.8110006216.

The spelling of 84091 in words is "eighty-four thousand, ninety-one".