206884117 has 8 divisors (see below), whose sum is σ = 228784320. Its totient is φ = 185499360.

The previous prime is 206884099. The next prime is 206884121. The reversal of 206884117 is 711488602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206884117 - 2¹¹ = 206882069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206884127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128017 + ... + 129622.

It is an arithmetic number, because the mean of its divisors is an integer number (28598040).

Almost surely, 2^206884117 is an apocalyptic number.

It is an amenable number.

206884117 is a deficient number, since it is larger than the sum of its proper divisors (21900203).

206884117 is a wasteful number, since it uses less digits than its factorization.

206884117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257723.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 206884117 is about 14383.4667935098. The cubic root of 206884117 is about 591.4377622848.

The spelling of 206884117 in words is "two hundred six million, eight hundred eighty-four thousand, one hundred seventeen".