206326939 has 16 divisors (see below), whose sum is σ = 255075520. Its totient is φ = 162518400.

The previous prime is 206326877. The next prime is 206326957. The reversal of 206326939 is 939623602.

It is a cyclic number.

It is not a de Polignac number, because 206326939 - 2⁷ = 206326811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206326999) 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 15 ways as a sum of consecutive naturals, for example, 15889 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (15942220).

Almost surely, 2^206326939 is an apocalyptic number.

206326939 is a deficient number, since it is larger than the sum of its proper divisors (48748581).

206326939 is a wasteful number, since it uses less digits than its factorization.

206326939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 206326939 is about 14364.0850387346. The cubic root of 206326939 is about 590.9063337214.

The spelling of 206326939 in words is "two hundred six million, three hundred twenty-six thousand, nine hundred thirty-nine".