4398489 has 8 divisors (see below), whose sum is σ = 6516320. Its totient is φ = 2932308.

The previous prime is 4398487. The next prime is 4398503. The reversal of 4398489 is 9848934.

It is a happy number.

It is not a de Polignac number, because 4398489 - 2¹ = 4398487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4398487) 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 7 ways as a sum of consecutive naturals, for example, 81427 + ... + 81480.

It is an arithmetic number, because the mean of its divisors is an integer number (814540).

Almost surely, 2^4398489 is an apocalyptic number.

It is an amenable number.

4398489 is a deficient number, since it is larger than the sum of its proper divisors (2117831).

4398489 is a wasteful number, since it uses less digits than its factorization.

4398489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162916 (or 162910 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 4398489 is about 2097.2574949204. The cubic root of 4398489 is about 163.8454944810.

The spelling of 4398489 in words is "four million, three hundred ninety-eight thousand, four hundred eighty-nine".