3889349 has 2 divisors, whose sum is σ = 3889350. Its totient is φ = 3889348.

The previous prime is 3889337. The next prime is 3889351. The reversal of 3889349 is 9439883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3265249 + 624100 = 1807^2 + 790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3889349 is a prime.

Together with 3889351, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3889399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944674 + 1944675.

It is an arithmetic number, because the mean of its divisors is an integer number (1944675).

Almost surely, 2^3889349 is an apocalyptic number.

It is an amenable number.

3889349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889349 is an equidigital number, since it uses as much as digits as its factorization.

3889349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 3889349 is about 1972.1432503751. The cubic root of 3889349 is about 157.2626676615.

The spelling of 3889349 in words is "three million, eight hundred eighty-nine thousand, three hundred forty-nine".