211494 has 16 divisors (see below), whose sum is σ = 428400. Its totient is φ = 69600.

The previous prime is 211493. The next prime is 211499. The reversal of 211494 is 494112.

211494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 780.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

2²¹¹⁴⁹⁴ is an apocalyptic number.

211494 is an abundant number, since it is smaller than the sum of its proper divisors (216906).

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

211494 is a wasteful number, since it uses less digits than its factorization.

211494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

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

The square root of 211494 is about 459.8847681757. The cubic root of 211494 is about 59.5798424392.

The spelling of 211494 in words is "two hundred eleven thousand, four hundred ninety-four".