3992003 has 4 divisors (see below), whose sum is σ = 3996000. Its totient is φ = 3988008.

The previous prime is 3991997. The next prime is 3992011. The reversal of 3992003 is 3002993.

It is a Cunningham number, because it is equal to 1998²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3992003 - 2⁸ = 3991747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992083) 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, 998 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (999000).

Almost surely, 2^3992003 is an apocalyptic number.

3992003 is a deficient number, since it is larger than the sum of its proper divisors (3997).

3992003 is a wasteful number, since it uses less digits than its factorization.

3992003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 3992003 is about 1997.9997497497. Note that the first 3 decimals coincide. The cubic root of 3992003 is about 158.6342475684.

Adding to 3992003 its reverse (3002993), we get a palindrome (6994996).

The spelling of 3992003 in words is "three million, nine hundred ninety-two thousand, three".