4391488 has 28 divisors (see below), whose sum is σ = 8869680. Its totient is φ = 2156672.

The previous prime is 4391483. The next prime is 4391503. The reversal of 4391488 is 8841934.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4391483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195 + ... + 4357.

Almost surely, 2^4391488 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 4391488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4434840).

4391488 is an abundant number, since it is smaller than the sum of its proper divisors (4478192).

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

4391488 is a wasteful number, since it uses less digits than its factorization.

4391488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1224 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 4391488 is about 2095.5877457172. The cubic root of 4391488 is about 163.7585182912.

The spelling of 4391488 in words is "four million, three hundred ninety-one thousand, four hundred eighty-eight".