4451489 has 16 divisors (see below), whose sum is σ = 5440512. Its totient is φ = 3559248.

The previous prime is 4451483. The next prime is 4451527. The reversal of 4451489 is 9841544.

It is a happy number.

It is not a de Polignac number, because 4451489 - 2²⁰ = 3402913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4451483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6602 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (340032).

Almost surely, 2^4451489 is an apocalyptic number.

It is an amenable number.

4451489 is a deficient number, since it is larger than the sum of its proper divisors (989023).

4451489 is a wasteful number, since it uses less digits than its factorization.

4451489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 23040, while the sum is 35.

The square root of 4451489 is about 2109.8552083022. The cubic root of 4451489 is about 164.5009592735.

The spelling of 4451489 in words is "four million, four hundred fifty-one thousand, four hundred eighty-nine".