447849984 has 40 divisors (see below), whose sum is σ = 1193104440. Its totient is φ = 149282816.

The previous prime is 447849979. The next prime is 447850003. The reversal of 447849984 is 489948744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144249 + ... + 147320.

It is an arithmetic number, because the mean of its divisors is an integer number (29827611).

Almost surely, 2^447849984 is an apocalyptic number.

It is an amenable number.

447849984 is an abundant number, since it is smaller than the sum of its proper divisors (745254456).

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

447849984 is an equidigital number, since it uses as much as digits as its factorization.

447849984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291590 (or 291574 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 447849984 is about 21162.4663969019. The cubic root of 447849984 is about 765.0870557513.

The spelling of 447849984 in words is "four hundred forty-seven million, eight hundred forty-nine thousand, nine hundred eighty-four".