206414401 has 4 divisors (see below), whose sum is σ = 206686404. Its totient is φ = 206142400.

The previous prime is 206414381. The next prime is 206414447. The reversal of 206414401 is 104414602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97002801 + 109411600 = 9849^2 + 10460^2 .

It is a cyclic number.

It is not a de Polignac number, because 206414401 - 2¹⁵ = 206381633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206414101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134860 + ... + 136381.

It is an arithmetic number, because the mean of its divisors is an integer number (51671601).

Almost surely, 2^206414401 is an apocalyptic number.

It is an amenable number.

206414401 is a deficient number, since it is larger than the sum of its proper divisors (272003).

206414401 is an equidigital number, since it uses as much as digits as its factorization.

206414401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272002.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 206414401 is about 14367.1291843569. The cubic root of 206414401 is about 590.9898170014.

The spelling of 206414401 in words is "two hundred six million, four hundred fourteen thousand, four hundred one".