3219889 has 2 divisors, whose sum is σ = 3219890. Its totient is φ = 3219888.

The previous prime is 3219863. The next prime is 3219893. The reversal of 3219889 is 9889123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 1166400 = 1433^2 + 1080^2 .

It is an emirp because it is prime and its reverse (9889123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3219889 - 2⁵ = 3219857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3219859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609944 + 1609945.

It is an arithmetic number, because the mean of its divisors is an integer number (1609945).

Almost surely, 2^3219889 is an apocalyptic number.

It is an amenable number.

3219889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3219889 is an equidigital number, since it uses as much as digits as its factorization.

3219889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 3219889 is about 1794.4049152853. The cubic root of 3219889 is about 147.6659283719.

The spelling of 3219889 in words is "three million, two hundred nineteen thousand, eight hundred eighty-nine".