206159404 has 12 divisors (see below), whose sum is σ = 393577128. Its totient is φ = 93708800.

The previous prime is 206159399. The next prime is 206159407. The reversal of 206159404 is 404951602.

206159404 is digitally balanced in base 2, 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 (206159407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342677 + ... + 2342764.

It is an arithmetic number, because the mean of its divisors is an integer number (32798094).

Almost surely, 2^206159404 is an apocalyptic number.

It is an amenable number.

206159404 is a deficient number, since it is larger than the sum of its proper divisors (187417724).

206159404 is a wasteful number, since it uses less digits than its factorization.

206159404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685456 (or 4685454 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 206159404 is about 14358.2521220377. The cubic root of 206159404 is about 590.7463541277.

The spelling of 206159404 in words is "two hundred six million, one hundred fifty-nine thousand, four hundred four".