206304401 has 8 divisors (see below), whose sum is σ = 218897280. Its totient is φ = 193762368.

The previous prime is 206304391. The next prime is 206304419. The reversal of 206304401 is 104403602.

It is a happy number.

206304401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206304401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206304421) 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, 4181 + ... + 20738.

It is an arithmetic number, because the mean of its divisors is an integer number (27362160).

Almost surely, 2^206304401 is an apocalyptic number.

It is an amenable number.

206304401 is a deficient number, since it is larger than the sum of its proper divisors (12592879).

206304401 is a wasteful number, since it uses less digits than its factorization.

206304401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25423.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 206304401 is about 14363.3004911824. The cubic root of 206304401 is about 590.8848171711.

The spelling of 206304401 in words is "two hundred six million, three hundred four thousand, four hundred one".