404484447 has 4 divisors (see below), whose sum is σ = 539312600. Its totient is φ = 269656296.

The previous prime is 404484433. The next prime is 404484467. The reversal of 404484447 is 744484404.

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

It is not a de Polignac number, because 404484447 - 2⁷ = 404484319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404484467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67414072 + ... + 67414077.

It is an arithmetic number, because the mean of its divisors is an integer number (134828150).

Almost surely, 2^404484447 is an apocalyptic number.

404484447 is a deficient number, since it is larger than the sum of its proper divisors (134828153).

404484447 is a wasteful number, since it uses less digits than its factorization.

404484447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134828152.

The product of its (nonzero) digits is 229376, while the sum is 39.

The square root of 404484447 is about 20111.7987012599. The cubic root of 404484447 is about 739.5495475023.

The spelling of 404484447 in words is "four hundred four million, four hundred eighty-four thousand, four hundred forty-seven".