206924434 has 16 divisors (see below), whose sum is σ = 312860160. Its totient is φ = 102641040.

The previous prime is 206924429. The next prime is 206924437. The reversal of 206924434 is 434429602.

It is a self number, because there is not a number n which added to its sum of digits gives 206924434.

It is not an unprimeable number, because it can be changed into a prime (206924437) 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, 279637 + ... + 280375.

It is an arithmetic number, because the mean of its divisors is an integer number (19553760).

Almost surely, 2^206924434 is an apocalyptic number.

206924434 is a deficient number, since it is larger than the sum of its proper divisors (105935726).

206924434 is a wasteful number, since it uses less digits than its factorization.

206924434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 206924434 is about 14384.8682301924. The cubic root of 206924434 is about 591.4761790369.

The spelling of 206924434 in words is "two hundred six million, nine hundred twenty-four thousand, four hundred thirty-four".