447689384 has 16 divisors (see below), whose sum is σ = 849532320. Its totient is φ = 221147440.

The previous prime is 447689353. The next prime is 447689447. The reversal of 447689384 is 483986744.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336452 + ... + 337779.

It is an arithmetic number, because the mean of its divisors is an integer number (53095770).

Almost surely, 2^447689384 is an apocalyptic number.

It is an amenable number.

447689384 is a deficient number, since it is larger than the sum of its proper divisors (401842936).

447689384 is a wasteful number, since it uses less digits than its factorization.

447689384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674320 (or 674316 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 447689384 is about 21158.6716029150. The cubic root of 447689384 is about 764.9955908442.

The spelling of 447689384 in words is "four hundred forty-seven million, six hundred eighty-nine thousand, three hundred eighty-four".