3864003 has 16 divisors (see below), whose sum is σ = 6053376. Its totient is φ = 2161440.

The previous prime is 3863987. The next prime is 3864019. The reversal of 3864003 is 3004683.

It is an interprime number because it is at equal distance from previous prime (3863987) and next prime (3864019).

It is not a de Polignac number, because 3864003 - 2⁴ = 3863987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3864403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4075 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (378336).

Almost surely, 2^3864003 is an apocalyptic number.

3864003 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3864003 is a deficient number, since it is larger than the sum of its proper divisors (2189373).

3864003 is a wasteful number, since it uses less digits than its factorization.

3864003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3864003 is about 1965.7067431334. The cubic root of 3864003 is about 156.9203079133.

Adding to 3864003 its reverse (3004683), we get a palindrome (6868686).

The spelling of 3864003 in words is "three million, eight hundred sixty-four thousand, three".