447944 has 32 divisors (see below), whose sum is σ = 1012800. Its totient is φ = 181440.

The previous prime is 447943. The next prime is 447961. The reversal of 447944 is 449744.

It is a self number, because there is not a number n which added to its sum of digits gives 447944.

It is not an unprimeable number, because it can be changed into a prime (447943) 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, 854 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (31650).

2⁴⁴⁷⁹⁴⁴ 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 447944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506400).

447944 is an abundant number, since it is smaller than the sum of its proper divisors (564856).

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

447944 is a wasteful number, since it uses less digits than its factorization.

447944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 449 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 447944 is about 669.2861869186. The cubic root of 447944 is about 76.5140589594.

The spelling of 447944 in words is "four hundred forty-seven thousand, nine hundred forty-four".