4168889 has 2 divisors, whose sum is σ = 4168890. Its totient is φ = 4168888.

The previous prime is 4168883. The next prime is 4168891. The reversal of 4168889 is 9888614.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 1227664 = 1715^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4168889 - 2¹⁶ = 4103353 is a prime.

Together with 4168891, 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 (4168883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084444 + 2084445.

It is an arithmetic number, because the mean of its divisors is an integer number (2084445).

Almost surely, 2^4168889 is an apocalyptic number.

It is an amenable number.

4168889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4168889 is an equidigital number, since it uses as much as digits as its factorization.

4168889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 4168889 is about 2041.7857380244. The cubic root of 4168889 is about 160.9435008728.

The spelling of 4168889 in words is "four million, one hundred sixty-eight thousand, eight hundred eighty-nine".