3889189 has 2 divisors, whose sum is σ = 3889190. Its totient is φ = 3889188.

The previous prime is 3889187. The next prime is 3889199. The reversal of 3889189 is 9819883.

3889189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 613089 = 1810^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 3889189 - 2¹ = 3889187 is a prime.

Together with 3889187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3889183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944594 + 1944595.

It is an arithmetic number, because the mean of its divisors is an integer number (1944595).

Almost surely, 2^3889189 is an apocalyptic number.

It is an amenable number.

3889189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889189 is an equidigital number, since it uses as much as digits as its factorization.

3889189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 46.

The square root of 3889189 is about 1972.1026849533. The cubic root of 3889189 is about 157.2605111419.

The spelling of 3889189 in words is "three million, eight hundred eighty-nine thousand, one hundred eighty-nine".