447868632 has 16 divisors (see below), whose sum is σ = 1119671640. Its totient is φ = 149289536.

The previous prime is 447868601. The next prime is 447868667. The reversal of 447868632 is 236868744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9330573 + ... + 9330620.

Almost surely, 2^447868632 is an apocalyptic number.

It is an amenable number.

447868632 is an abundant number, since it is smaller than the sum of its proper divisors (671803008).

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

447868632 is a wasteful number, since it uses less digits than its factorization.

447868632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18661202 (or 18661198 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 447868632 is about 21162.9069836826. The cubic root of 447868632 is about 765.0976747427.

The spelling of 447868632 in words is "four hundred forty-seven million, eight hundred sixty-eight thousand, six hundred thirty-two".