206129208 has 16 divisors (see below), whose sum is σ = 515323080. Its totient is φ = 68709728.

The previous prime is 206129207. The next prime is 206129227. The reversal of 206129208 is 802921602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206129207) 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, 4294335 + ... + 4294382.

Almost surely, 2^206129208 is an apocalyptic number.

It is an amenable number.

206129208 is an abundant number, since it is smaller than the sum of its proper divisors (309193872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206129208 is a wasteful number, since it uses less digits than its factorization.

206129208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588726 (or 8588722 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 206129208 is about 14357.2005627838. The cubic root of 206129208 is about 590.7175106736.

The spelling of 206129208 in words is "two hundred six million, one hundred twenty-nine thousand, two hundred eight".