206504234 has 8 divisors (see below), whose sum is σ = 311378688. Its totient is φ = 102711340.

The previous prime is 206504231. The next prime is 206504239. The reversal of 206504234 is 432405602.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206504231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269912 + ... + 270675.

It is an arithmetic number, because the mean of its divisors is an integer number (38922336).

Almost surely, 2^206504234 is an apocalyptic number.

206504234 is a deficient number, since it is larger than the sum of its proper divisors (104874454).

206504234 is a wasteful number, since it uses less digits than its factorization.

206504234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540780.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 206504234 is about 14370.2551821462. The cubic root of 206504234 is about 591.0755388762.

Adding to 206504234 its reverse (432405602), we get a palindrome (638909836).

The spelling of 206504234 in words is "two hundred six million, five hundred four thousand, two hundred thirty-four".