3943003 has 4 divisors (see below), whose sum is σ = 3950640. Its totient is φ = 3935368.

The previous prime is 3942989. The next prime is 3943007. The reversal of 3943003 is 3003493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003493 = 271 ⋅11083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3943003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3943007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983 + ... + 4096.

It is an arithmetic number, because the mean of its divisors is an integer number (987660).

Almost surely, 2^3943003 is an apocalyptic number.

3943003 is a deficient number, since it is larger than the sum of its proper divisors (7637).

3943003 is an equidigital number, since it uses as much as digits as its factorization.

3943003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636.

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

The square root of 3943003 is about 1985.6996248174. The cubic root of 3943003 is about 157.9825195637.

Adding to 3943003 its reverse (3003493), we get a palindrome (6946496).

The spelling of 3943003 in words is "three million, nine hundred forty-three thousand, three".