206042938 has 16 divisors (see below), whose sum is σ = 316549800. Its totient is φ = 100555776.

The previous prime is 206042911. The next prime is 206042939. The reversal of 206042938 is 839240602.

206042938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 197880489 + 8162449 = 14067^2 + 2857^2 .

It is not an unprimeable number, because it can be changed into a prime (206042939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888 + ... + 21436.

Almost surely, 2^206042938 is an apocalyptic number.

206042938 is a deficient number, since it is larger than the sum of its proper divisors (110506862).

206042938 is a wasteful number, since it uses less digits than its factorization.

206042938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 206042938 is about 14354.1958325780. The cubic root of 206042938 is about 590.6350893753.

The spelling of 206042938 in words is "two hundred six million, forty-two thousand, nine hundred thirty-eight".