206394252 has 24 divisors (see below), whose sum is σ = 482021232. Its totient is φ = 68736000.

The previous prime is 206394211. The next prime is 206394257. The reversal of 206394252 is 252493602.

It is not an unprimeable number, because it can be changed into a prime (206394257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7252 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (20084218).

Almost surely, 2^206394252 is an apocalyptic number.

It is an amenable number.

206394252 is an abundant number, since it is smaller than the sum of its proper divisors (275626980).

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

206394252 is a wasteful number, since it uses less digits than its factorization.

206394252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15529 (or 15527 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 206394252 is about 14366.4279485194. The cubic root of 206394252 is about 590.9705866872.

The spelling of 206394252 in words is "two hundred six million, three hundred ninety-four thousand, two hundred fifty-two".