208809196 has 12 divisors (see below), whose sum is σ = 367869600. Its totient is φ = 103703600.

The previous prime is 208809179. The next prime is 208809217. The reversal of 208809196 is 691908802.

It is a happy number.

208809196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174580 + ... + 175771.

It is an arithmetic number, because the mean of its divisors is an integer number (30655800).

Almost surely, 2^208809196 is an apocalyptic number.

It is an amenable number.

208809196 is a deficient number, since it is larger than the sum of its proper divisors (159060404).

208809196 is a wasteful number, since it uses less digits than its factorization.

208809196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350504 (or 350502 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 208809196 is about 14450.2316936442. The cubic root of 208809196 is about 593.2665655908.

The spelling of 208809196 in words is "two hundred eight million, eight hundred nine thousand, one hundred ninety-six".