211338 has 24 divisors (see below), whose sum is σ = 468000. Its totient is φ = 68904.

The previous prime is 211333. The next prime is 211339. The reversal of 211338 is 833112.

211338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 211338.

It is not an unprimeable number, because it can be changed into a prime (211333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (19500).

2²¹¹³³⁸ is an apocalyptic number.

211338 is an abundant number, since it is smaller than the sum of its proper divisors (256662).

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

211338 is a wasteful number, since it uses less digits than its factorization.

211338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 263 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 211338 is about 459.7151291833. The cubic root of 211338 is about 59.5651899486.

The spelling of 211338 in words is "two hundred eleven thousand, three hundred thirty-eight".