447681348 has 36 divisors (see below), whose sum is σ = 1135237740. Its totient is φ = 148752576.

The previous prime is 447681347. The next prime is 447681371. The reversal of 447681348 is 843186744.

It can be written as a sum of positive squares in 2 ways, for example, as 265755204 + 181926144 = 16302^2 + 13488^2 .

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

It is not an unprimeable number, because it can be changed into a prime (447681347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8203 + ... + 31026.

Almost surely, 2^447681348 is an apocalyptic number.

It is an amenable number.

447681348 is an abundant number, since it is smaller than the sum of its proper divisors (687556392).

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

447681348 is a wasteful number, since it uses less digits than its factorization.

447681348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556 (or 39551 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 447681348 is about 21158.4817035628. The cubic root of 447681348 is about 764.9910136071.

The spelling of 447681348 in words is "four hundred forty-seven million, six hundred eighty-one thousand, three hundred forty-eight".