4488989 has 4 divisors (see below), whose sum is σ = 4550556. Its totient is φ = 4427424.

The previous prime is 4488983. The next prime is 4489007. The reversal of 4488989 is 9898844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 840889 = 1910^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 4488989 - 2⁴ = 4488973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4488983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30674 + ... + 30819.

It is an arithmetic number, because the mean of its divisors is an integer number (1137639).

Almost surely, 2^4488989 is an apocalyptic number.

It is an amenable number.

4488989 is a deficient number, since it is larger than the sum of its proper divisors (61567).

4488989 is an equidigital number, since it uses as much as digits as its factorization.

4488989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61566.

The product of its digits is 663552, while the sum is 50.

The square root of 4488989 is about 2118.7234364117. The cubic root of 4488989 is about 164.9615949796.

The spelling of 4488989 in words is "four million, four hundred eighty-eight thousand, nine hundred eighty-nine".