447806946 has 16 divisors (see below), whose sum is σ = 895951008. Its totient is φ = 149212800.

The previous prime is 447806897. The next prime is 447806963. The reversal of 447806946 is 649608744.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447806895 and 447806904.

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 7 ways as a sum of consecutive naturals, for example, 5266 + ... + 30386.

It is an arithmetic number, because the mean of its divisors is an integer number (55996938).

Almost surely, 2^447806946 is an apocalyptic number.

447806946 is an abundant number, since it is smaller than the sum of its proper divisors (448144062).

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

447806946 is a wasteful number, since it uses less digits than its factorization.

447806946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28097.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 447806946 is about 21161.4495250207. The cubic root of 447806946 is about 765.0625468959.

The spelling of 447806946 in words is "four hundred forty-seven million, eight hundred six thousand, nine hundred forty-six".