206949339 has 12 divisors (see below), whose sum is σ = 299059072. Its totient is φ = 137905200.

The previous prime is 206949299. The next prime is 206949359. The reversal of 206949339 is 933949602.

It is not a de Polignac number, because 206949339 - 2²⁴ = 190172123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206949294 and 206949303.

It is not an unprimeable number, because it can be changed into a prime (206949359) 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 11 ways as a sum of consecutive naturals, for example, 27129 + ... + 33909.

Almost surely, 2^206949339 is an apocalyptic number.

206949339 is a deficient number, since it is larger than the sum of its proper divisors (92109733).

206949339 is a wasteful number, since it uses less digits than its factorization.

206949339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10175 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 206949339 is about 14385.7338707485. The cubic root of 206949339 is about 591.4999077044.

The spelling of 206949339 in words is "two hundred six million, nine hundred forty-nine thousand, three hundred thirty-nine".