206042349 has 16 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 129722736.

The previous prime is 206042321. The next prime is 206042351. The reversal of 206042349 is 943240602.

It is not a de Polignac number, because 206042349 - 2⁸ = 206042093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206042149) 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 15 ways as a sum of consecutive naturals, for example, 13449 + ... + 24350.

It is an arithmetic number, because the mean of its divisors is an integer number (18144000).

Almost surely, 2^206042349 is an apocalyptic number.

It is an amenable number.

206042349 is a deficient number, since it is larger than the sum of its proper divisors (84261651).

206042349 is a wasteful number, since it uses less digits than its factorization.

206042349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37904.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 206042349 is about 14354.1753159142. The cubic root of 206042349 is about 590.6345265729.

The spelling of 206042349 in words is "two hundred six million, forty-two thousand, three hundred forty-nine".