204104401 has 4 divisors (see below), whose sum is σ = 204142500. Its totient is φ = 204066304.

The previous prime is 204104399. The next prime is 204104429. The reversal of 204104401 is 104401402.

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 189778176 + 14326225 = 13776^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 204104401 - 2¹ = 204104399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204104471) 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, 9376 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (51035625).

Almost surely, 2^204104401 is an apocalyptic number.

It is an amenable number.

204104401 is a deficient number, since it is larger than the sum of its proper divisors (38099).

204104401 is an equidigital number, since it uses as much as digits as its factorization.

204104401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38098.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204104401 is about 14286.5111556321. The cubic root of 204104401 is about 588.7769368148.

Adding to 204104401 its reverse (104401402), we get a palindrome (308505803).

The spelling of 204104401 in words is "two hundred four million, one hundred four thousand, four hundred one".