8211 has 16 divisors (see below), whose sum is σ = 13824. Its totient is φ = 4224.

The previous prime is 8209. The next prime is 8219. The reversal of 8211 is 1128.

It is a happy number.

It is not a de Polignac number, because 8211 - 2¹ = 8209 is a prime.

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (864).

2⁸²¹¹ is an apocalyptic number.

8211 is a deficient number, since it is larger than the sum of its proper divisors (5613).

8211 is a wasteful number, since it uses less digits than its factorization.

8211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50.

The product of its digits is 16, while the sum is 12.

The square root of 8211 is about 90.6145683651. The cubic root of 8211 is about 20.1743097258.

Adding to 8211 its reverse (1128), we get a palindrome (9339).

The spelling of 8211 in words is "eight thousand, two hundred eleven".