447865212 has 24 divisors (see below), whose sum is σ = 1081054800. Its totient is φ = 144140416.

The previous prime is 447865189. The next prime is 447865213. The reversal of 447865212 is 212568744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447865213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643137 + ... + 643832.

It is an arithmetic number, because the mean of its divisors is an integer number (45043950).

Almost surely, 2^447865212 is an apocalyptic number.

It is an amenable number.

447865212 is an abundant number, since it is smaller than the sum of its proper divisors (633189588).

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

447865212 is a wasteful number, since it uses less digits than its factorization.

447865212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287005 (or 1287003 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 447865212 is about 21162.8261817745. The cubic root of 447865212 is about 765.0957272664.

The spelling of 447865212 in words is "four hundred forty-seven million, eight hundred sixty-five thousand, two hundred twelve".