3900003 has 8 divisors (see below), whose sum is σ = 5277888. Its totient is φ = 2561064.

The previous prime is 3899989. The next prime is 3900067. The reversal of 3900003 is 3000093.

3900003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3900003 - 2⁸ = 3899747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3904003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9501 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (659736).

Almost surely, 2^3900003 is an apocalyptic number.

3900003 is a deficient number, since it is larger than the sum of its proper divisors (1377885).

3900003 is a wasteful number, since it uses less digits than its factorization.

3900003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 3900003 is about 1974.8425253675. The cubic root of 3900003 is about 157.4061320237.

Adding to 3900003 its reverse (3000093), we get a palindrome (6900096).

The spelling of 3900003 in words is "three million, nine hundred thousand, three".