209394104 has 8 divisors (see below), whose sum is σ = 392613960. Its totient is φ = 104697048.

The previous prime is 209394061. The next prime is 209394169. The reversal of 209394104 is 401493902.

It is a happy number.

209394104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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, 13087124 + ... + 13087139.

It is an arithmetic number, because the mean of its divisors is an integer number (49076745).

Almost surely, 2^209394104 is an apocalyptic number.

It is an amenable number.

209394104 is a deficient number, since it is larger than the sum of its proper divisors (183219856).

209394104 is a wasteful number, since it uses less digits than its factorization.

209394104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26174269 (or 26174265 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 209394104 is about 14470.4562471264. The cubic root of 209394104 is about 593.8199940532.

The spelling of 209394104 in words is "two hundred nine million, three hundred ninety-four thousand, one hundred four".