206829438 has 8 divisors (see below), whose sum is σ = 413658888. Its totient is φ = 68943144.

The previous prime is 206829401. The next prime is 206829439. The reversal of 206829438 is 834928602.

206829438 is digitally balanced in base 3, 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.

206829438 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206829438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206829439) 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, 17235781 + ... + 17235792.

It is an arithmetic number, because the mean of its divisors is an integer number (51707361).

Almost surely, 2^206829438 is an apocalyptic number.

206829438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206829438 is a wasteful number, since it uses less digits than its factorization.

206829438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34471578.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 206829438 is about 14381.5659091769. The cubic root of 206829438 is about 591.3856524767.

The spelling of 206829438 in words is "two hundred six million, eight hundred twenty-nine thousand, four hundred thirty-eight".