4489544 has 32 divisors (see below), whose sum is σ = 8912640. Its totient is φ = 2116800.

The previous prime is 4489517. The next prime is 4489549. The reversal of 4489544 is 4459844.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4489498 and 4489507.

It is not an unprimeable number, because it can be changed into a prime (4489549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (278520).

Almost surely, 2^4489544 is an apocalyptic number.

It is an amenable number.

4489544 is a deficient number, since it is larger than the sum of its proper divisors (4423096).

4489544 is a wasteful number, since it uses less digits than its factorization.

4489544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 4489544 is about 2118.8544074570. The cubic root of 4489544 is about 164.9683930888.

Subtracting from 4489544 its sum of digits (38), we obtain a triangular number (4489506 = T₂₉₉₆).

The spelling of 4489544 in words is "four million, four hundred eighty-nine thousand, five hundred forty-four".