3144689 has 2 divisors, whose sum is σ = 3144690. Its totient is φ = 3144688.

The previous prime is 3144619. The next prime is 3144697. The reversal of 3144689 is 9864413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 47089 = 1760^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144689 - 2¹² = 3140593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572344 + 1572345.

It is an arithmetic number, because the mean of its divisors is an integer number (1572345).

Almost surely, 2^3144689 is an apocalyptic number.

It is an amenable number.

3144689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144689 is an equidigital number, since it uses as much as digits as its factorization.

3144689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 3144689 is about 1773.3270989865. The cubic root of 3144689 is about 146.5072895688.

The spelling of 3144689 in words is "three million, one hundred forty-four thousand, six hundred eighty-nine".