206107404 has 12 divisors (see below), whose sum is σ = 480917304. Its totient is φ = 68702464.

The previous prime is 206107403. The next prime is 206107453. The reversal of 206107404 is 404701602.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (206107403) 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, 8587797 + ... + 8587820.

It is an arithmetic number, because the mean of its divisors is an integer number (40076442).

Almost surely, 2^206107404 is an apocalyptic number.

It is an amenable number.

206107404 is an abundant number, since it is smaller than the sum of its proper divisors (274809900).

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

206107404 is a wasteful number, since it uses less digits than its factorization.

206107404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175624 (or 17175622 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 206107404 is about 14356.4412024708. The cubic root of 206107404 is about 590.6966815718.

The spelling of 206107404 in words is "two hundred six million, one hundred seven thousand, four hundred four".