211394 has 8 divisors (see below), whose sum is σ = 333840. Its totient is φ = 100116.

The previous prime is 211373. The next prime is 211403. The reversal of 211394 is 493112.

211394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 211394.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (41730).

2²¹¹³⁹⁴ is an apocalyptic number.

211394 is a deficient number, since it is larger than the sum of its proper divisors (122446).

211394 is a wasteful number, since it uses less digits than its factorization.

211394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584.

The product of its digits is 216, while the sum is 20.

The square root of 211394 is about 459.7760324332. The cubic root of 211394 is about 59.5704506464.

The spelling of 211394 in words is "two hundred eleven thousand, three hundred ninety-four".