209898095 has 12 divisors (see below), whose sum is σ = 276858120. Its totient is φ = 152652720.

The previous prime is 209898079. The next prime is 209898103. The reversal of 209898095 is 590898902.

209898095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 209898095 - 2⁴ = 209898079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172865 + ... + 174074.

It is an arithmetic number, because the mean of its divisors is an integer number (23071510).

Almost surely, 2^209898095 is an apocalyptic number.

209898095 is a deficient number, since it is larger than the sum of its proper divisors (66960025).

209898095 is a wasteful number, since it uses less digits than its factorization.

209898095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346966 (or 346955 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 209898095 is about 14487.8602629926. The cubic root of 209898095 is about 594.2960344240.

The spelling of 209898095 in words is "two hundred nine million, eight hundred ninety-eight thousand, ninety-five".