4544489 has 2 divisors, whose sum is σ = 4544490. Its totient is φ = 4544488.

The previous prime is 4544479. The next prime is 4544509. The reversal of 4544489 is 9844454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 218089 = 2080^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4544489 - 2⁴ = 4544473 is a prime.

It is a super-2 number, since 2×4544489² = 41304760542242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4544479) 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, 2272244 + 2272245.

It is an arithmetic number, because the mean of its divisors is an integer number (2272245).

Almost surely, 2^4544489 is an apocalyptic number.

It is an amenable number.

4544489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544489 is an equidigital number, since it uses as much as digits as its factorization.

4544489 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4544489 is about 2131.7807110489. The cubic root of 4544489 is about 165.6386512541.

The spelling of 4544489 in words is "four million, five hundred forty-four thousand, four hundred eighty-nine".