447616344 has 128 divisors (see below), whose sum is σ = 1323786240. Its totient is φ = 123480192.

The previous prime is 447616327. The next prime is 447616357. The reversal of 447616344 is 443616744.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655027 + ... + 655709.

It is an arithmetic number, because the mean of its divisors is an integer number (10342080).

Almost surely, 2^447616344 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 447616344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661893120).

447616344 is an abundant number, since it is smaller than the sum of its proper divisors (876169896).

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

447616344 is a wasteful number, since it uses less digits than its factorization.

447616344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 825 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 447616344 is about 21156.9455262332. The cubic root of 447616344 is about 764.9539858692.

The spelling of 447616344 in words is "four hundred forty-seven million, six hundred sixteen thousand, three hundred forty-four".