209468204 has 24 divisors (see below), whose sum is σ = 401587200. Its totient is φ = 94809680.

The previous prime is 209468201. The next prime is 209468219. The reversal of 209468204 is 402864902.

It is not an unprimeable number, because it can be changed into a prime (209468201) 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, 557 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (16732800).

Almost surely, 2^209468204 is an apocalyptic number.

It is an amenable number.

209468204 is a deficient number, since it is larger than the sum of its proper divisors (192118996).

209468204 is a wasteful number, since it uses less digits than its factorization.

209468204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173 (or 20171 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 209468204 is about 14473.0164098573. The cubic root of 209468204 is about 593.8900324342.

The spelling of 209468204 in words is "two hundred nine million, four hundred sixty-eight thousand, two hundred four".