206234406 has 24 divisors (see below), whose sum is σ = 510675984. Its totient is φ = 58924080.

The previous prime is 206234389. The next prime is 206234419. The reversal of 206234406 is 604432602.

206234406 is a `hidden beast` number, since 20 + 6 + 234 + 406 = 666.

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 206234406.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 818265 + ... + 818516.

It is an arithmetic number, because the mean of its divisors is an integer number (21278166).

Almost surely, 2^206234406 is an apocalyptic number.

206234406 is an abundant number, since it is smaller than the sum of its proper divisors (304441578).

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

206234406 is a wasteful number, since it uses less digits than its factorization.

206234406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636796 (or 1636793 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 206234406 is about 14360.8636926892. The cubic root of 206234406 is about 590.8179844377.

The spelling of 206234406 in words is "two hundred six million, two hundred thirty-four thousand, four hundred six".