4666589 has 2 divisors, whose sum is σ = 4666590. Its totient is φ = 4666588.

The previous prime is 4666559. The next prime is 4666633. The reversal of 4666589 is 9856664.

It is an a-pointer prime, because the next prime (4666633) can be obtained adding 4666589 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 184900 = 2117^2 + 430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4666589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4666549) 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, 2333294 + 2333295.

It is an arithmetic number, because the mean of its divisors is an integer number (2333295).

Almost surely, 2^4666589 is an apocalyptic number.

It is an amenable number.

4666589 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666589 is an equidigital number, since it uses as much as digits as its factorization.

4666589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 4666589 is about 2160.2289230542. The cubic root of 4666589 is about 167.1090040981.

The spelling of 4666589 in words is "four million, six hundred sixty-six thousand, five hundred eighty-nine".