4491824 has 20 divisors (see below), whose sum is σ = 8737536. Its totient is φ = 2236992.

The previous prime is 4491811. The next prime is 4491827. The reversal of 4491824 is 4281944.

It is not an unprimeable number, because it can be changed into a prime (4491827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762 + ... + 6494.

Almost surely, 2^4491824 is an apocalyptic number.

It is an amenable number.

4491824 is a deficient number, since it is larger than the sum of its proper divisors (4245712).

4491824 is a wasteful number, since it uses less digits than its factorization.

4491824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1118 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 4491824 is about 2119.3923657501. The cubic root of 4491824 is about 164.9963145795.

The spelling of 4491824 in words is "four million, four hundred ninety-one thousand, eight hundred twenty-four".