4447872 has 192 divisors, whose sum is σ = 15593760. Its totient is φ = 1244160.

The previous prime is 4447871. The next prime is 4447879. The reversal of 4447872 is 2787444.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4447871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342138 + ... + 342150.

Almost surely, 2^4447872 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 4447872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7796880).

4447872 is an abundant number, since it is smaller than the sum of its proper divisors (11145888).

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

4447872 is a wasteful number, since it uses less digits than its factorization.

4447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 29 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4447872 is about 2108.9978662863. The cubic root of 4447872 is about 164.4563928228.

The spelling of 4447872 in words is "four million, four hundred forty-seven thousand, eight hundred seventy-two".