3287189 has 2 divisors, whose sum is σ = 3287190. Its totient is φ = 3287188.

The previous prime is 3287177. The next prime is 3287261. The reversal of 3287189 is 9817823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1067089 = 1490^2 + 1033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3287189 is a prime.

It is a super-2 number, since 2×3287189² = 21611223043442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643594 + 1643595.

It is an arithmetic number, because the mean of its divisors is an integer number (1643595).

Almost surely, 2^3287189 is an apocalyptic number.

It is an amenable number.

3287189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287189 is an equidigital number, since it uses as much as digits as its factorization.

3287189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 3287189 is about 1813.0606719026. The cubic root of 3287189 is about 148.6876479958.

The spelling of 3287189 in words is "three million, two hundred eighty-seven thousand, one hundred eighty-nine".