2003100 has 72 divisors (see below), whose sum is σ = 6332928. Its totient is φ = 484800.

The previous prime is 2003087. The next prime is 2003119. The reversal of 2003100 is 13002.

It is a super-2 number, since 2×2003100² = 8024819220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2997 + ... + 3603.

2^2003100 is an apocalyptic number.

2003100 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 2003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166464).

2003100 is an abundant number, since it is smaller than the sum of its proper divisors (4329828).

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

2003100 is a wasteful number, since it uses less digits than its factorization.

2003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 628 counting only the distinct ones).

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

The square root of 2003100 is about 1415.3091535068. The cubic root of 2003100 is about 126.0571673064.

Adding to 2003100 its reverse (13002), we get a palindrome (2016102).

The spelling of 2003100 in words is "two million, three thousand, one hundred".