209047116 has 24 divisors (see below), whose sum is σ = 493259760. Its totient is φ = 68899072.

The previous prime is 209047103. The next prime is 209047127. The reversal of 209047116 is 611740902.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96801 + ... + 98936.

It is an arithmetic number, because the mean of its divisors is an integer number (20552490).

Almost surely, 2^209047116 is an apocalyptic number.

It is an amenable number.

209047116 is an abundant number, since it is smaller than the sum of its proper divisors (284212644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209047116 is a wasteful number, since it uses less digits than its factorization.

209047116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195833 (or 195831 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 209047116 is about 14458.4617439062. The cubic root of 209047116 is about 593.4918053607.

The spelling of 209047116 in words is "two hundred nine million, forty-seven thousand, one hundred sixteen".