204414401 has 4 divisors (see below), whose sum is σ = 206223492. Its totient is φ = 202605312.

The previous prime is 204414299. The next prime is 204414449. The reversal of 204414401 is 104414402.

It is a happy number.

204414401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 58125376 + 146289025 = 7624^2 + 12095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204414401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204414451) 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, 904376 + ... + 904601.

It is an arithmetic number, because the mean of its divisors is an integer number (51555873).

Almost surely, 2^204414401 is an apocalyptic number.

It is an amenable number.

204414401 is a deficient number, since it is larger than the sum of its proper divisors (1809091).

204414401 is a wasteful number, since it uses less digits than its factorization.

204414401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809090.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 204414401 is about 14297.3564339706. The cubic root of 204414401 is about 589.0748701622.

Adding to 204414401 its reverse (104414402), we get a palindrome (308828803).

Subtracting from 204414401 its reverse (104414402), we obtain a palindrome (99999999).

It can be divided in two parts, 20441 and 4401, that added together give a palindrome (24842).

The spelling of 204414401 in words is "two hundred four million, four hundred fourteen thousand, four hundred one".