3421503 has 12 divisors (see below), whose sum is σ = 5157360. Its totient is φ = 2181696.

The previous prime is 3421499. The next prime is 3421513. The reversal of 3421503 is 3051243.

It is not a de Polignac number, because 3421503 - 2² = 3421499 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421513) 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 11 ways as a sum of consecutive naturals, for example, 8058 + ... + 8471.

It is an arithmetic number, because the mean of its divisors is an integer number (429780).

Almost surely, 2^3421503 is an apocalyptic number.

3421503 is a deficient number, since it is larger than the sum of its proper divisors (1735857).

3421503 is a wasteful number, since it uses less digits than its factorization.

3421503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16558 (or 16555 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3421503 is about 1849.7305209138. The cubic root of 3421503 is about 150.6857931401.

Adding to 3421503 its reverse (3051243), we get a palindrome (6472746).

The spelling of 3421503 in words is "three million, four hundred twenty-one thousand, five hundred three".