2003889 has 4 divisors (see below), whose sum is σ = 2671856. Its totient is φ = 1335924.

The previous prime is 2003879. The next prime is 2003917. The reversal of 2003889 is 9883002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2003889 - 2⁵ = 2003857 is a prime.

It is a super-2 number, since 2×2003889² = 8031142248642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333979 + ... + 333984.

It is an arithmetic number, because the mean of its divisors is an integer number (667964).

2^2003889 is an apocalyptic number.

It is an amenable number.

2003889 is a deficient number, since it is larger than the sum of its proper divisors (667967).

2003889 is an equidigital number, since it uses as much as digits as its factorization.

2003889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667966.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2003889 is about 1415.5878637513. The cubic root of 2003889 is about 126.0737159975.

The spelling of 2003889 in words is "two million, three thousand, eight hundred eighty-nine".