206443992 has 32 divisors (see below), whose sum is σ = 517809600. Its totient is φ = 68588064.

The previous prime is 206443967. The next prime is 206443997. The reversal of 206443992 is 299344602.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 206443992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206443997) 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, 6642 + ... + 21377.

It is an arithmetic number, because the mean of its divisors is an integer number (16181550).

Almost surely, 2^206443992 is an apocalyptic number.

It is an amenable number.

206443992 is an abundant number, since it is smaller than the sum of its proper divisors (311365608).

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

206443992 is a wasteful number, since it uses less digits than its factorization.

206443992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28335 (or 28331 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 206443992 is about 14368.1589634859. The cubic root of 206443992 is about 591.0180565428.

It can be divided in two parts, 2064 and 43992, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 206443992 in words is "two hundred six million, four hundred forty-three thousand, nine hundred ninety-two".