3403903 has 2 divisors, whose sum is σ = 3403904. Its totient is φ = 3403902.

The previous prime is 3403901. The next prime is 3403919. The reversal of 3403903 is 3093043.

It is a weak prime.

It is an emirp because it is prime and its reverse (3093043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3403903 - 2¹ = 3403901 is a prime.

Together with 3403901, it forms a pair of twin primes.

3403903 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701951 + 1701952.

It is an arithmetic number, because the mean of its divisors is an integer number (1701952).

Almost surely, 2^3403903 is an apocalyptic number.

3403903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403903 is an equidigital number, since it uses as much as digits as its factorization.

3403903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3403903 is about 1844.9669373731. The cubic root of 3403903 is about 150.4269760491.

Adding to 3403903 its reverse (3093043), we get a palindrome (6496946).

The spelling of 3403903 in words is "three million, four hundred three thousand, nine hundred three".