84011 has 2 divisors, whose sum is σ = 84012. Its totient is φ = 84010.

The previous prime is 83987. The next prime is 84017. The reversal of 84011 is 11048.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84011 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84011.

It is not a weakly prime, because it can be changed into another prime (84017) 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 as a sum of consecutive naturals, namely, 42005 + 42006.

It is an arithmetic number, because the mean of its divisors is an integer number (42006).

2⁸⁴⁰¹¹ is an apocalyptic number.

84011 is a deficient number, since it is larger than the sum of its proper divisors (1).

84011 is an equidigital number, since it uses as much as digits as its factorization.

84011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 84011 is about 289.8465111054. The cubic root of 84011 is about 43.7971030103.

Adding to 84011 its reverse (11048), we get a palindrome (95059).

The spelling of 84011 in words is "eighty-four thousand, eleven".