3243403 has 4 divisors (see below), whose sum is σ = 3291880. Its totient is φ = 3194928.

The previous prime is 3243397. The next prime is 3243467. The reversal of 3243403 is 3043423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3243403 - 2⁹ = 3242891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24138 + ... + 24271.

It is an arithmetic number, because the mean of its divisors is an integer number (822970).

Almost surely, 2^3243403 is an apocalyptic number.

3243403 is a deficient number, since it is larger than the sum of its proper divisors (48477).

3243403 is an equidigital number, since it uses as much as digits as its factorization.

3243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48476.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 3243403 is about 1800.9450296997. The cubic root of 3243403 is about 148.0245120102.

Adding to 3243403 its reverse (3043423), we get a palindrome (6286826).

The spelling of 3243403 in words is "three million, two hundred forty-three thousand, four hundred three".