3188609 has 2 divisors, whose sum is σ = 3188610. Its totient is φ = 3188608.

The previous prime is 3188587. The next prime is 3188617. The reversal of 3188609 is 9068813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3073009 + 115600 = 1753^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3188609 - 2¹² = 3184513 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3188659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594304 + 1594305.

It is an arithmetic number, because the mean of its divisors is an integer number (1594305).

Almost surely, 2^3188609 is an apocalyptic number.

It is an amenable number.

3188609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3188609 is an equidigital number, since it uses as much as digits as its factorization.

3188609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3188609 is about 1785.6676622485. The cubic root of 3188609 is about 147.1861987149.

The spelling of 3188609 in words is "three million, one hundred eighty-eight thousand, six hundred nine".