206408804 has 12 divisors (see below), whose sum is σ = 412817664. Its totient is φ = 88460904.

The previous prime is 206408791. The next prime is 206408833. The reversal of 206408804 is 408804602.

206408804 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685844 + ... + 3685899.

It is an arithmetic number, because the mean of its divisors is an integer number (34401472).

Almost surely, 2^206408804 is an apocalyptic number.

It is an amenable number.

206408804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206408804 is a wasteful number, since it uses less digits than its factorization.

206408804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371754 (or 7371752 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 206408804 is about 14366.9343981240. The cubic root of 206408804 is about 590.9844753200.

The spelling of 206408804 in words is "two hundred six million, four hundred eight thousand, eight hundred four".