447872 has 16 divisors (see below), whose sum is σ = 892500. Its totient is φ = 223872.

The previous prime is 447859. The next prime is 447877. The reversal of 447872 is 278744.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447877) by changing a digit.

447872 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 as a sum of consecutive naturals, namely, 1622 + ... + 1877.

2⁴⁴⁷⁸⁷² is an apocalyptic number.

It is an amenable number.

447872 is a deficient number, since it is larger than the sum of its proper divisors (444628).

447872 is an equidigital number, since it uses as much as digits as its factorization.

447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3501 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 447872 is about 669.2323961077. The cubic root of 447872 is about 76.5099592599.

The spelling of 447872 in words is "four hundred forty-seven thousand, eight hundred seventy-two".