211344194 has 8 divisors (see below), whose sum is σ = 330799680. Its totient is φ = 101077636.

The previous prime is 211344191. The next prime is 211344223. The reversal of 211344194 is 491443112.

211344194 is digitally balanced in base 3, 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 not an unprimeable number, because it can be changed into a prime (211344191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297174 + ... + 2297265.

It is an arithmetic number, because the mean of its divisors is an integer number (41349960).

Almost surely, 2^211344194 is an apocalyptic number.

211344194 is a deficient number, since it is larger than the sum of its proper divisors (119455486).

211344194 is a wasteful number, since it uses less digits than its factorization.

211344194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594464.

The product of its digits is 3456, while the sum is 29.

The square root of 211344194 is about 14537.6818647266. The cubic root of 211344194 is about 595.6577186503.

The spelling of 211344194 in words is "two hundred eleven million, three hundred forty-four thousand, one hundred ninety-four".