447849872 has 10 divisors (see below), whose sum is σ = 867709158. Its totient is φ = 223924928.

The previous prime is 447849863. The next prime is 447849877. The reversal of 447849872 is 278948744.

It can be written as a sum of positive squares in only one way, i.e., 290497936 + 157351936 = 17044^2 + 12544^2 .

It is not an unprimeable number, because it can be changed into a prime (447849877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13995293 + ... + 13995324.

Almost surely, 2^447849872 is an apocalyptic number.

It is an amenable number.

447849872 is a deficient number, since it is larger than the sum of its proper divisors (419859286).

447849872 is a wasteful number, since it uses less digits than its factorization.

447849872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27990625 (or 27990619 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 447849872 is about 21162.4637507073. The cubic root of 447849872 is about 765.0869919727.

The spelling of 447849872 in words is "four hundred forty-seven million, eight hundred forty-nine thousand, eight hundred seventy-two".