4237889 has 2 divisors, whose sum is σ = 4237890. Its totient is φ = 4237888.

The previous prime is 4237873. The next prime is 4237921. The reversal of 4237889 is 9887324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1227664 = 1735^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4237889 - 2⁴ = 4237873 is a prime.

It is a super-3 number, since 3×4237889³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4237829) 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, 2118944 + 2118945.

It is an arithmetic number, because the mean of its divisors is an integer number (2118945).

Almost surely, 2^4237889 is an apocalyptic number.

It is an amenable number.

4237889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4237889 is an equidigital number, since it uses as much as digits as its factorization.

4237889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 4237889 is about 2058.6133682652. The cubic root of 4237889 is about 161.8265811768.

The spelling of 4237889 in words is "four million, two hundred thirty-seven thousand, eight hundred eighty-nine".