3449903 has 2 divisors, whose sum is σ = 3449904. Its totient is φ = 3449902.

The previous prime is 3449891. The next prime is 3449909. The reversal of 3449903 is 3099443.

3449903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3099443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3449903 - 2¹² = 3445807 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3449903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3449909) 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, 1724951 + 1724952.

It is an arithmetic number, because the mean of its divisors is an integer number (1724952).

Almost surely, 2^3449903 is an apocalyptic number.

3449903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449903 is an equidigital number, since it uses as much as digits as its factorization.

3449903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3449903 is about 1857.3914503949. The cubic root of 3449903 is about 151.1015646402.

The spelling of 3449903 in words is "three million, four hundred forty-nine thousand, nine hundred three".