84211 has 2 divisors, whose sum is σ = 84212. Its totient is φ = 84210.

The previous prime is 84199. The next prime is 84221. The reversal of 84211 is 11248.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84211 - 2⁵ = 84179 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (84221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42105 + 42106.

It is an arithmetic number, because the mean of its divisors is an integer number (42106).

2⁸⁴²¹¹ is an apocalyptic number.

84211 is a deficient number, since it is larger than the sum of its proper divisors (1).

84211 is an equidigital number, since it uses as much as digits as its factorization.

84211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 16.

The square root of 84211 is about 290.1913162036. The cubic root of 84211 is about 43.8318305213.

Adding to 84211 its reverse (11248), we get a palindrome (95459).

The spelling of 84211 in words is "eighty-four thousand, two hundred eleven".