4491448 has 32 divisors (see below), whose sum is σ = 9550800. Its totient is φ = 1963008.

The previous prime is 4491439. The next prime is 4491469. The reversal of 4491448 is 8441944.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 3112.

Almost surely, 2^4491448 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 4491448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4775400).

4491448 is an abundant number, since it is smaller than the sum of its proper divisors (5059352).

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

4491448 is a wasteful number, since it uses less digits than its factorization.

4491448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2307 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 4491448 is about 2119.3036592239. The cubic root of 4491448 is about 164.9917106335.

The spelling of 4491448 in words is "four million, four hundred ninety-one thousand, four hundred forty-eight".