447790216 has 16 divisors (see below), whose sum is σ = 855449100. Its totient is φ = 219670464.

The previous prime is 447790181. The next prime is 447790223. The reversal of 447790216 is 612097744.

It can be written as a sum of positive squares in 2 ways, for example, as 446476900 + 1313316 = 21130^2 + 1146^2 .

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, 527631 + ... + 528478.

Almost surely, 2^447790216 is an apocalyptic number.

It is an amenable number.

447790216 is a deficient number, since it is larger than the sum of its proper divisors (407658884).

447790216 is a wasteful number, since it uses less digits than its factorization.

447790216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056168 (or 1056164 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 447790216 is about 21161.0542270464. The cubic root of 447790216 is about 765.0530192368.

The spelling of 447790216 in words is "four hundred forty-seven million, seven hundred ninety thousand, two hundred sixteen".