2003106 has 32 divisors (see below), whose sum is σ = 4705920. Its totient is φ = 556416.

The previous prime is 2003087. The next prime is 2003119. The reversal of 2003106 is 6013002.

It is a junction number, because it is equal to n+sod(n) for n = 2003091 and 2003100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (147060).

2^2003106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352960).

2003106 is an abundant number, since it is smaller than the sum of its proper divisors (2702814).

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

2003106 is a wasteful number, since it uses less digits than its factorization.

2003106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2003106 is about 1415.3112731834. The cubic root of 2003106 is about 126.0572931684.

Adding to 2003106 its reverse (6013002), we get a palindrome (8016108).

The spelling of 2003106 in words is "two million, three thousand, one hundred six".