214189671 has 4 divisors (see below), whose sum is σ = 285586232. Its totient is φ = 142793112.

The previous prime is 214189643. The next prime is 214189673. The reversal of 214189671 is 176981412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214189671 - 2¹⁰ = 214188647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214189673) 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, 35698276 + ... + 35698281.

It is an arithmetic number, because the mean of its divisors is an integer number (71396558).

Almost surely, 2^214189671 is an apocalyptic number.

214189671 is a deficient number, since it is larger than the sum of its proper divisors (71396561).

214189671 is an equidigital number, since it uses as much as digits as its factorization.

214189671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71396560.

The product of its digits is 24192, while the sum is 39.

The square root of 214189671 is about 14635.2202238299. The cubic root of 214189671 is about 598.3190646025.

The spelling of 214189671 in words is "two hundred fourteen million, one hundred eighty-nine thousand, six hundred seventy-one".