447986312 has 32 divisors (see below), whose sum is σ = 895092120. Its totient is φ = 209464320.

The previous prime is 447986311. The next prime is 447986317. The reversal of 447986312 is 213689744.

It can be written as a sum of positive squares in 4 ways, for example, as 395771236 + 52215076 = 19894^2 + 7226^2 .

It is a super-2 number, since 2×447986312² = 401383471478722688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447986311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10862 + ... + 31842.

Almost surely, 2^447986312 is an apocalyptic number.

It is an amenable number.

447986312 is a deficient number, since it is larger than the sum of its proper divisors (447105808).

447986312 is a wasteful number, since it uses less digits than its factorization.

447986312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161 (or 21157 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 447986312 is about 21165.6871374402. The cubic root of 447986312 is about 765.1646801123.

The spelling of 447986312 in words is "four hundred forty-seven million, nine hundred eighty-six thousand, three hundred twelve".