206306871 has 8 divisors (see below), whose sum is σ = 276472944. Its totient is φ = 136839360.

The previous prime is 206306839. The next prime is 206306879. The reversal of 206306871 is 178603602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206306871 - 2⁵ = 206306839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206306879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173950 + ... + 175131.

It is an arithmetic number, because the mean of its divisors is an integer number (34559118).

Almost surely, 2^206306871 is an apocalyptic number.

206306871 is a deficient number, since it is larger than the sum of its proper divisors (70166073).

206306871 is a wasteful number, since it uses less digits than its factorization.

206306871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349281.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 206306871 is about 14363.3864739483. The cubic root of 206306871 is about 590.8871753041.

The spelling of 206306871 in words is "two hundred six million, three hundred six thousand, eight hundred seventy-one".