447201872 has 20 divisors (see below), whose sum is σ = 933104340. Its totient is φ = 206400768.

The previous prime is 447201829. The next prime is 447201889. The reversal of 447201872 is 278102744.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118287376 + 328914496 = 10876^2 + 18136^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1074797 + ... + 1075212.

It is an arithmetic number, because the mean of its divisors is an integer number (46655217).

Almost surely, 2^447201872 is an apocalyptic number.

It is an amenable number.

447201872 is an abundant number, since it is smaller than the sum of its proper divisors (485902468).

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

447201872 is a wasteful number, since it uses less digits than its factorization.

447201872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150030 (or 2150024 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 447201872 is about 21147.1480819519. The cubic root of 447201872 is about 764.7178089724.

The spelling of 447201872 in words is "four hundred forty-seven million, two hundred one thousand, eight hundred seventy-two".