4421506 has 8 divisors (see below), whose sum is σ = 6662160. Its totient is φ = 2200788.

The previous prime is 4421491. The next prime is 4421507. The reversal of 4421506 is 6051244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4421507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4416 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (832770).

Almost surely, 2^4421506 is an apocalyptic number.

4421506 is a deficient number, since it is larger than the sum of its proper divisors (2240654).

4421506 is a wasteful number, since it uses less digits than its factorization.

4421506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4421506 is about 2102.7377392343. The cubic root of 4421506 is about 164.1307949257.

The spelling of 4421506 in words is "four million, four hundred twenty-one thousand, five hundred six".