4966889 has 2 divisors, whose sum is σ = 4966890. Its totient is φ = 4966888.

The previous prime is 4966853. The next prime is 4966891. The reversal of 4966889 is 9886694.

4966889 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3211264 + 1755625 = 1792^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4966889 is a prime.

Together with 4966891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4966849) 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, 2483444 + 2483445.

It is an arithmetic number, because the mean of its divisors is an integer number (2483445).

Almost surely, 2^4966889 is an apocalyptic number.

It is an amenable number.

4966889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4966889 is an equidigital number, since it uses as much as digits as its factorization.

4966889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 4966889 is about 2228.6518346301. The cubic root of 4966889 is about 170.6192982928.

The spelling of 4966889 in words is "four million, nine hundred sixty-six thousand, eight hundred eighty-nine".