3143389 has 2 divisors, whose sum is σ = 3143390. Its totient is φ = 3143388.

The previous prime is 3143353. The next prime is 3143401. The reversal of 3143389 is 9833413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2377764 + 765625 = 1542^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143389 - 2⁹ = 3142877 is a prime.

3143389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141389) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571694 + 1571695.

It is an arithmetic number, because the mean of its divisors is an integer number (1571695).

Almost surely, 2^3143389 is an apocalyptic number.

It is an amenable number.

3143389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143389 is an equidigital number, since it uses as much as digits as its factorization.

3143389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3143389 is about 1772.9605184549. The cubic root of 3143389 is about 146.4870983059.

The spelling of 3143389 in words is "three million, one hundred forty-three thousand, three hundred eighty-nine".