211368 has 16 divisors (see below), whose sum is σ = 528480. Its totient is φ = 70448.

The previous prime is 211349. The next prime is 211369. The reversal of 211368 is 863112.

211368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (211369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380 + ... + 4427.

It is an arithmetic number, because the mean of its divisors is an integer number (33030).

2²¹¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

211368 is an abundant number, since it is smaller than the sum of its proper divisors (317112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211368 is a wasteful number, since it uses less digits than its factorization.

211368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816 (or 8812 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 211368 is about 459.7477569276. The cubic root of 211368 is about 59.5680082951.

The spelling of 211368 in words is "two hundred eleven thousand, three hundred sixty-eight".