4488689 has 2 divisors, whose sum is σ = 4488690. Its totient is φ = 4488688.

The previous prime is 4488683. The next prime is 4488713. The reversal of 4488689 is 9868844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4376464 + 112225 = 2092^2 + 335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4488689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4488683) 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 as a sum of consecutive naturals, namely, 2244344 + 2244345.

It is an arithmetic number, because the mean of its divisors is an integer number (2244345).

Almost surely, 2^4488689 is an apocalyptic number.

It is an amenable number.

4488689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4488689 is an equidigital number, since it uses as much as digits as its factorization.

4488689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 4488689 is about 2118.6526378810. The cubic root of 4488689 is about 164.9579200927.

The spelling of 4488689 in words is "four million, four hundred eighty-eight thousand, six hundred eighty-nine".