3840003 has 12 divisors (see below), whose sum is σ = 5590728. Its totient is φ = 2539680.

The previous prime is 3839999. The next prime is 3840007. The reversal of 3840003 is 3000483.

It is an interprime number because it is at equal distance from previous prime (3839999) and next prime (3840007).

It is not a de Polignac number, because 3840003 - 2² = 3839999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3840007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (465894).

Almost surely, 2^3840003 is an apocalyptic number.

3840003 is a deficient number, since it is larger than the sum of its proper divisors (1750725).

3840003 is a wasteful number, since it uses less digits than its factorization.

3840003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3840003 is about 1959.5925596919. The cubic root of 3840003 is about 156.5947464266.

Adding to 3840003 its reverse (3000483), we get a palindrome (6840486).

The spelling of 3840003 in words is "three million, eight hundred forty thousand, three".