447681252 has 24 divisors (see below), whose sum is σ = 1044935136. Its totient is φ = 149177728.

The previous prime is 447681239. The next prime is 447681319. The reversal of 447681252 is 252186744.

It is a self number, because there is not a number n which added to its sum of digits gives 447681252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60043 + ... + 67085.

It is an arithmetic number, because the mean of its divisors is an integer number (43538964).

Almost surely, 2^447681252 is an apocalyptic number.

It is an amenable number.

447681252 is an abundant number, since it is smaller than the sum of its proper divisors (597253884).

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

447681252 is a wasteful number, since it uses less digits than its factorization.

447681252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347 (or 12345 counting only the distinct ones).

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

The square root of 447681252 is about 21158.4794349689. The cubic root of 447681252 is about 764.9909589260.

The spelling of 447681252 in words is "four hundred forty-seven million, six hundred eighty-one thousand, two hundred fifty-two".