447388216 has 16 divisors (see below), whose sum is σ = 915112440. Its totient is φ = 203358240.

The previous prime is 447388189. The next prime is 447388223. The reversal of 447388216 is 612883744.

It is a congruent number.

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, 2541891 + ... + 2542066.

Almost surely, 2^447388216 is an apocalyptic number.

It is an amenable number.

447388216 is an abundant number, since it is smaller than the sum of its proper divisors (467724224).

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

447388216 is a wasteful number, since it uses less digits than its factorization.

447388216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083974 (or 5083970 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 447388216 is about 21151.5535126855. The cubic root of 447388216 is about 764.8240106649.

The spelling of 447388216 in words is "four hundred forty-seven million, three hundred eighty-eight thousand, two hundred sixteen".