206438326 has 8 divisors (see below), whose sum is σ = 310294800. Its totient is φ = 103006728.

The previous prime is 206438311. The next prime is 206438329. The reversal of 206438326 is 623834602.

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

It is a junction number, because it is equal to n+sod(n) for n = 206438291 and 206438300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206438329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105001 + ... + 106948.

It is an arithmetic number, because the mean of its divisors is an integer number (38786850).

Almost surely, 2^206438326 is an apocalyptic number.

206438326 is a deficient number, since it is larger than the sum of its proper divisors (103856474).

206438326 is a wasteful number, since it uses less digits than its factorization.

206438326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212438.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 206438326 is about 14367.9617900383. The cubic root of 206438326 is about 591.0126495251.

It can be divided in two parts, 20 and 6438326, that added together give a palindrome (6438346).

The spelling of 206438326 in words is "two hundred six million, four hundred thirty-eight thousand, three hundred twenty-six".