2003000 has 32 divisors (see below), whose sum is σ = 4689360. Its totient is φ = 800800.

The previous prime is 2002997. The next prime is 2003009. The reversal of 2003000 is 3002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 2001.

2^2003000 is an apocalyptic number.

2003000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344680).

2003000 is an abundant number, since it is smaller than the sum of its proper divisors (2686360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003000 is a wasteful number, since it uses less digits than its factorization.

2003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

The square root of 2003000 is about 1415.2738250953. The cubic root of 2003000 is about 126.0550695702.

Adding to 2003000 its reverse (3002), we get a palindrome (2006002).

The spelling of 2003000 in words is "two million, three thousand".