446881764 has 144 divisors (see below), whose sum is σ = 1275523200. Its totient is φ = 121250304.

The previous prime is 446881751. The next prime is 446881769. The reversal of 446881764 is 467188644.

It is not an unprimeable number, because it can be changed into a prime (446881769) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1244617 + ... + 1244975.

It is an arithmetic number, because the mean of its divisors is an integer number (8857800).

Almost surely, 2^446881764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 446881764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637761600).

446881764 is an abundant number, since it is smaller than the sum of its proper divisors (828641436).

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

446881764 is a wasteful number, since it uses less digits than its factorization.

446881764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 473 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 446881764 is about 21139.5781414862. The cubic root of 446881764 is about 764.5353032372.

The spelling of 446881764 in words is "four hundred forty-six million, eight hundred eighty-one thousand, seven hundred sixty-four".