3443329 has 2 divisors, whose sum is σ = 3443330. Its totient is φ = 3443328.

The previous prime is 3443327. The next prime is 3443339. The reversal of 3443329 is 9233443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 2304 = 1855^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443329 - 2¹ = 3443327 is a prime.

Together with 3443327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3443297 and 3443306.

It is not a weakly prime, because it can be changed into another prime (3443327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721664 + 1721665.

It is an arithmetic number, because the mean of its divisors is an integer number (1721665).

Almost surely, 2^3443329 is an apocalyptic number.

It is an amenable number.

3443329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3443329 is an equidigital number, since it uses as much as digits as its factorization.

3443329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 3443329 is about 1855.6209203391. The cubic root of 3443329 is about 151.0055258712.

It can be divided in two parts, 34 and 43329, that multiplied together give a triangular number (1473186 = T₁₇₁₆).

The spelling of 3443329 in words is "three million, four hundred forty-three thousand, three hundred twenty-nine".