206345193 has 8 divisors (see below), whose sum is σ = 279233568. Its totient is φ = 135510144.

The previous prime is 206345173. The next prime is 206345197. The reversal of 206345193 is 391543602.

206345193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 206345193 - 2⁹ = 206344681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206345197) 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, 513096 + ... + 513497.

It is an arithmetic number, because the mean of its divisors is an integer number (34904196).

Almost surely, 2^206345193 is an apocalyptic number.

It is an amenable number.

206345193 is a deficient number, since it is larger than the sum of its proper divisors (72888375).

206345193 is a wasteful number, since it uses less digits than its factorization.

206345193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026663.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 206345193 is about 14364.7204288841. The cubic root of 206345193 is about 590.9237592794.

Adding to 206345193 its reverse (391543602), we get a palindrome (597888795).

The spelling of 206345193 in words is "two hundred six million, three hundred forty-five thousand, one hundred ninety-three".