447791916 has 48 divisors (see below), whose sum is σ = 1227518208. Its totient is φ = 125256000.

The previous prime is 447791909. The next prime is 447791941. The reversal of 447791916 is 619197744.

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 15 ways as a sum of consecutive naturals, for example, 128760 + ... + 132191.

It is an arithmetic number, because the mean of its divisors is an integer number (25573296).

Almost surely, 2^447791916 is an apocalyptic number.

It is an amenable number.

447791916 is an abundant number, since it is smaller than the sum of its proper divisors (779726292).

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

447791916 is a wasteful number, since it uses less digits than its factorization.

447791916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260982 (or 260980 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 447791916 is about 21161.0943951394. The cubic root of 447791916 is about 765.0539873899.

The spelling of 447791916 in words is "four hundred forty-seven million, seven hundred ninety-one thousand, nine hundred sixteen".