204464401 has 4 divisors (see below), whose sum is σ = 204582400. Its totient is φ = 204346404.

The previous prime is 204464399. The next prime is 204464431. The reversal of 204464401 is 104464402.

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.

It is a cyclic number.

It is not a de Polignac number, because 204464401 - 2¹ = 204464399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204464431) 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, 56361 + ... + 59878.

It is an arithmetic number, because the mean of its divisors is an integer number (51145600).

Almost surely, 2^204464401 is an apocalyptic number.

It is an amenable number.

204464401 is a deficient number, since it is larger than the sum of its proper divisors (117999).

204464401 is a wasteful number, since it uses less digits than its factorization.

204464401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117998.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 204464401 is about 14299.1049020559. The cubic root of 204464401 is about 589.1228957126.

Subtracting from 204464401 its reverse (104464402), we obtain a palindrome (99999999).

The spelling of 204464401 in words is "two hundred four million, four hundred sixty-four thousand, four hundred one".