206036890 has 32 divisors (see below), whose sum is σ = 382366656. Its totient is φ = 79885440.

The previous prime is 206036863. The next prime is 206036899. The reversal of 206036890 is 98630602.

It is a happy number.

206036890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206036899) 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, 65289 + ... + 68371.

It is an arithmetic number, because the mean of its divisors is an integer number (11948958).

Almost surely, 2^206036890 is an apocalyptic number.

206036890 is a deficient number, since it is larger than the sum of its proper divisors (176329766).

206036890 is a wasteful number, since it uses less digits than its factorization.

206036890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 206036890 is about 14353.9851609231. The cubic root of 206036890 is about 590.6293103275.

The spelling of 206036890 in words is "two hundred six million, thirty-six thousand, eight hundred ninety".