214335209 has 16 divisors (see below), whose sum is σ = 242188800. Its totient is φ = 187920000.

The previous prime is 214335203. The next prime is 214335217. The reversal of 214335209 is 902533412.

It is a cyclic number.

It is not a de Polignac number, because 214335209 - 2⁴ = 214335193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214335203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118109 + ... + 119909.

It is an arithmetic number, because the mean of its divisors is an integer number (15136800).

Almost surely, 2^214335209 is an apocalyptic number.

It is an amenable number.

214335209 is a deficient number, since it is larger than the sum of its proper divisors (27853591).

214335209 is a wasteful number, since it uses less digits than its factorization.

214335209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 214335209 is about 14640.1915629544. The cubic root of 214335209 is about 598.4545495746.

The spelling of 214335209 in words is "two hundred fourteen million, three hundred thirty-five thousand, two hundred nine".