447804 has 36 divisors (see below), whose sum is σ = 1294384. Its totient is φ = 127872.

The previous prime is 447793. The next prime is 447817. The reversal of 447804 is 408744.

447804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637 + ... + 1140.

2⁴⁴⁷⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

447804 is an abundant number, since it is smaller than the sum of its proper divisors (846580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447804 is a wasteful number, since it uses less digits than its factorization.

447804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 447804 is about 669.1815897049. The cubic root of 447804 is about 76.5060869179.

Subtracting from 447804 its reverse (408744), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 447804 in words is "four hundred forty-seven thousand, eight hundred four".