3881003 has 12 divisors (see below), whose sum is σ = 4539600. Its totient is φ = 3250080.

The previous prime is 3880999. The next prime is 3881021. The reversal of 3881003 is 3001883.

It is not a de Polignac number, because 3881003 - 2² = 3880999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881003.

It is not an unprimeable number, because it can be changed into a prime (3881063) 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, 25973 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (378300).

Almost surely, 2^3881003 is an apocalyptic number.

3881003 is a deficient number, since it is larger than the sum of its proper divisors (658597).

3881003 is an equidigital number, since it uses as much as digits as its factorization.

3881003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3881003 is about 1970.0261419585. The cubic root of 3881003 is about 157.1500991940.

Adding to 3881003 its reverse (3001883), we get a palindrome (6882886).

The spelling of 3881003 in words is "three million, eight hundred eighty-one thousand, three".