84611 has 4 divisors (see below), whose sum is σ = 85224. Its totient is φ = 84000.

The previous prime is 84589. The next prime is 84629. The reversal of 84611 is 11648.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 84611 - 2¹⁴ = 68227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84631) by changing a digit.

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, 11 + ... + 411.

It is an arithmetic number, because the mean of its divisors is an integer number (21306).

2⁸⁴⁶¹¹ is an apocalyptic number.

84611 is a deficient number, since it is larger than the sum of its proper divisors (613).

84611 is a wasteful number, since it uses less digits than its factorization.

84611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its digits is 192, while the sum is 20.

The square root of 84611 is about 290.8797002199. The cubic root of 84611 is about 43.9011209355.

The spelling of 84611 in words is "eighty-four thousand, six hundred eleven".