446868728 has 32 divisors (see below), whose sum is σ = 862221360. Its totient is φ = 217002240.

The previous prime is 446868713. The next prime is 446868791. The reversal of 446868728 is 827868644.

It is a self number, because there is not a number n which added to its sum of digits gives 446868728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58676 + ... + 65852.

Almost surely, 2^446868728 is an apocalyptic number.

It is an amenable number.

446868728 is a deficient number, since it is larger than the sum of its proper divisors (415352632).

446868728 is a wasteful number, since it uses less digits than its factorization.

446868728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407 (or 7403 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The square root of 446868728 is about 21139.2698076353. The cubic root of 446868728 is about 764.5278690716.

The spelling of 446868728 in words is "four hundred forty-six million, eight hundred sixty-eight thousand, seven hundred twenty-eight".