3440347 has 2 divisors, whose sum is σ = 3440348. Its totient is φ = 3440346.

The previous prime is 3440323. The next prime is 3440369. The reversal of 3440347 is 7430443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3440347 - 2¹⁹ = 2916059 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720173 + 1720174.

It is an arithmetic number, because the mean of its divisors is an integer number (1720174).

Almost surely, 2^3440347 is an apocalyptic number.

3440347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440347 is an equidigital number, since it uses as much as digits as its factorization.

3440347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 3440347 is about 1854.8172416710. The cubic root of 3440347 is about 150.9619218928.

The spelling of 3440347 in words is "three million, four hundred forty thousand, three hundred forty-seven".