3213439 has 2 divisors, whose sum is σ = 3213440. Its totient is φ = 3213438.

The previous prime is 3213421. The next prime is 3213473. The reversal of 3213439 is 9343123.

It is a happy number.

3213439 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 an emirp because it is prime and its reverse (9343123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213439 - 2⁹ = 3212927 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213479) 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, 1606719 + 1606720.

It is an arithmetic number, because the mean of its divisors is an integer number (1606720).

Almost surely, 2^3213439 is an apocalyptic number.

3213439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213439 is an equidigital number, since it uses as much as digits as its factorization.

3213439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 3213439 is about 1792.6067611163. The cubic root of 3213439 is about 147.5672622462.

The spelling of 3213439 in words is "three million, two hundred thirteen thousand, four hundred thirty-nine".