404447804 has 12 divisors (see below), whose sum is σ = 732190200. Its totient is φ = 195250608.

The previous prime is 404447803. The next prime is 404447807. The reversal of 404447804 is 408744404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404447803) 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, 1743194 + ... + 1743425.

It is an arithmetic number, because the mean of its divisors is an integer number (61015850).

Almost surely, 2^404447804 is an apocalyptic number.

It is an amenable number.

404447804 is a deficient number, since it is larger than the sum of its proper divisors (327742396).

404447804 is a wasteful number, since it uses less digits than its factorization.

404447804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486652 (or 3486650 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The square root of 404447804 is about 20110.8876979610. The cubic root of 404447804 is about 739.5272144373.

The spelling of 404447804 in words is "four hundred four million, four hundred forty-seven thousand, eight hundred four".