204004441 has 4 divisors (see below), whose sum is σ = 204083712. Its totient is φ = 203925172.

The previous prime is 204004429. The next prime is 204004469. The reversal of 204004441 is 144400402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144400402 = 2 ⋅72200201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204004441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204004741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35641 + ... + 40966.

It is an arithmetic number, because the mean of its divisors is an integer number (51020928).

Almost surely, 2^204004441 is an apocalyptic number.

It is an amenable number.

204004441 is a deficient number, since it is larger than the sum of its proper divisors (79271).

204004441 is an equidigital number, since it uses as much as digits as its factorization.

204004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79270.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 204004441 is about 14283.0123223359. The cubic root of 204004441 is about 588.6808034097.

Adding to 204004441 its reverse (144400402), we get a palindrome (348404843).

The spelling of 204004441 in words is "two hundred four million, four thousand, four hundred forty-one".