4458889 has 2 divisors, whose sum is σ = 4458890. Its totient is φ = 4458888.

The previous prime is 4458887. The next prime is 4458893. The reversal of 4458889 is 9888544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 478864 = 1995^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 4458889 - 2¹ = 4458887 is a prime.

It is a super-2 number, since 2×4458889² = 39763382228642, which contains 22 as substring.

Together with 4458887, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4458887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229444 + 2229445.

It is an arithmetic number, because the mean of its divisors is an integer number (2229445).

Almost surely, 2^4458889 is an apocalyptic number.

It is an amenable number.

4458889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4458889 is an equidigital number, since it uses as much as digits as its factorization.

4458889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 46.

The square root of 4458889 is about 2111.6081549378. The cubic root of 4458889 is about 164.5920623617.

The spelling of 4458889 in words is "four million, four hundred fifty-eight thousand, eight hundred eighty-nine".