4421472 has 96 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 1297920.

The previous prime is 4421467. The next prime is 4421491. The reversal of 4421472 is 2741244.

4421472 = T₂₄₈ + T₂₄₉ + ... + T₃₄₆.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55929 + ... + 56007.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^4421472 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 4421472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6531840).

4421472 is an abundant number, since it is smaller than the sum of its proper divisors (8642208).

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

4421472 is a wasteful number, since it uses less digits than its factorization.

4421472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

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

The square root of 4421472 is about 2102.7296545205. The cubic root of 4421472 is about 164.1303742198.

The spelling of 4421472 in words is "four million, four hundred twenty-one thousand, four hundred seventy-two".