211894 has 8 divisors (see below), whose sum is σ = 324000. Its totient is φ = 103896.

The previous prime is 211891. The next prime is 211927. The reversal of 211894 is 498112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211891) 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, 894 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2²¹¹⁸⁹⁴ is an apocalyptic number.

211894 is a deficient number, since it is larger than the sum of its proper divisors (112106).

211894 is a wasteful number, since it uses less digits than its factorization.

211894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its digits is 576, while the sum is 25.

The square root of 211894 is about 460.3194542923. The cubic root of 211894 is about 59.6173800341.

The spelling of 211894 in words is "two hundred eleven thousand, eight hundred ninety-four".