214191 has 8 divisors (see below), whose sum is σ = 317360. Its totient is φ = 142776.

The previous prime is 214189. The next prime is 214211. The reversal of 214191 is 191412.

It is not a de Polignac number, because 214191 - 2¹ = 214189 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214141) 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, 3940 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (39670).

2²¹⁴¹⁹¹ is an apocalyptic number.

214191 is a deficient number, since it is larger than the sum of its proper divisors (103169).

214191 is an equidigital number, since it uses as much as digits as its factorization.

214191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942 (or 7936 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 214191 is about 462.8077354583. The cubic root of 214191 is about 59.8320302080.

It can be divided in two parts, 2 and 14191, that multiplied together give a palindrome (28382).

The spelling of 214191 in words is "two hundred fourteen thousand, one hundred ninety-one".