206630326 has 16 divisors (see below), whose sum is σ = 358493184. Its totient is φ = 87488424.

The previous prime is 206630293. The next prime is 206630329. The reversal of 206630326 is 623036602.

It is a junction number, because it is equal to n+sod(n) for n = 206630294 and 206630303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206630329) 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, 87750 + ... + 90073.

It is an arithmetic number, because the mean of its divisors is an integer number (22405824).

Almost surely, 2^206630326 is an apocalyptic number.

206630326 is a deficient number, since it is larger than the sum of its proper divisors (151862858).

206630326 is a wasteful number, since it uses less digits than its factorization.

206630326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177915.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 206630326 is about 14374.6417694494. The cubic root of 206630326 is about 591.1958184643.

Adding to 206630326 its reverse (623036602), we get a palindrome (829666928).

The spelling of 206630326 in words is "two hundred six million, six hundred thirty thousand, three hundred twenty-six".