3129443 has 2 divisors, whose sum is σ = 3129444. Its totient is φ = 3129442.

The previous prime is 3129439. The next prime is 3129461. The reversal of 3129443 is 3449213.

3129443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3129443 - 2² = 3129439 is a prime.

It is not a weakly prime, because it can be changed into another prime (3129463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564721 + 1564722.

It is an arithmetic number, because the mean of its divisors is an integer number (1564722).

Almost surely, 2^3129443 is an apocalyptic number.

3129443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129443 is an equidigital number, since it uses as much as digits as its factorization.

3129443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 3129443 is about 1769.0231767843. The cubic root of 3129443 is about 146.2701416241.

The spelling of 3129443 in words is "three million, one hundred twenty-nine thousand, four hundred forty-three".