209365214 has 4 divisors (see below), whose sum is σ = 314047824. Its totient is φ = 104682606.

The previous prime is 209365207. The next prime is 209365231. The reversal of 209365214 is 412563902.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52341302 + ... + 52341305.

It is an arithmetic number, because the mean of its divisors is an integer number (78511956).

Almost surely, 2^209365214 is an apocalyptic number.

209365214 is a deficient number, since it is larger than the sum of its proper divisors (104682610).

209365214 is a wasteful number, since it uses less digits than its factorization.

209365214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104682609.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 209365214 is about 14469.4579718799. The cubic root of 209365214 is about 593.7926831144.

The spelling of 209365214 in words is "two hundred nine million, three hundred sixty-five thousand, two hundred fourteen".