206443912 has 16 divisors (see below), whose sum is σ = 389869200. Its totient is φ = 102478800.

The previous prime is 206443907. The next prime is 206443921. The reversal of 206443912 is 219344602.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91714 + ... + 93937.

It is an arithmetic number, because the mean of its divisors is an integer number (24366825).

Almost surely, 2^206443912 is an apocalyptic number.

It is an amenable number.

206443912 is a deficient number, since it is larger than the sum of its proper divisors (183425288).

206443912 is a wasteful number, since it uses less digits than its factorization.

206443912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185796 (or 185792 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 206443912 is about 14368.1561795521. The cubic root of 206443912 is about 591.0179802001.

The spelling of 206443912 in words is "two hundred six million, four hundred forty-three thousand, nine hundred twelve".