447144 has 32 divisors (see below), whose sum is σ = 1155840. Its totient is φ = 144000.

The previous prime is 447137. The next prime is 447173. The reversal of 447144 is 441744.

447144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

447144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2⁴⁴⁷¹⁴⁴ 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 447144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577920).

447144 is an abundant number, since it is smaller than the sum of its proper divisors (708696).

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

447144 is a wasteful number, since it uses less digits than its factorization.

447144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 637 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 447144 is about 668.6882681788. The cubic root of 447144 is about 76.4684820397.

Adding to 447144 its reverse (441744), we get a palindrome (888888).

The spelling of 447144 in words is "four hundred forty-seven thousand, one hundred forty-four", and thus it is an iban number.