4489548 has 96 divisors (see below), whose sum is σ = 13171200. Its totient is φ = 1161216.

The previous prime is 4489517. The next prime is 4489549. The reversal of 4489548 is 8459844.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4489549) 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 31 ways as a sum of consecutive naturals, for example, 46236 + ... + 46332.

It is an arithmetic number, because the mean of its divisors is an integer number (137200).

Almost surely, 2^4489548 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 4489548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6585600).

4489548 is an abundant number, since it is smaller than the sum of its proper divisors (8681652).

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

4489548 is a wasteful number, since it uses less digits than its factorization.

4489548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 4489548 is about 2118.8553513631. The cubic root of 4489548 is about 164.9684420822.

Subtracting from 4489548 its sum of digits (42), we obtain a triangular number (4489506 = T₂₉₉₆).

The spelling of 4489548 in words is "four million, four hundred eighty-nine thousand, five hundred forty-eight".