2003916 has 24 divisors (see below), whose sum is σ = 4791024. Its totient is φ = 651520.

The previous prime is 2003879. The next prime is 2003917. The reversal of 2003916 is 6193002.

It is a junction number, because it is equal to n+sod(n) for n = 2003892 and 2003901.

It is not an unprimeable number, because it can be changed into a prime (2003917) 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, 1545 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (199626).

2^2003916 is an apocalyptic number.

It is an amenable number.

2003916 is an abundant number, since it is smaller than the sum of its proper divisors (2787108).

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

2003916 is a wasteful number, since it uses less digits than its factorization.

2003916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4119 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2003916 is about 1415.5974003932. The cubic root of 2003916 is about 126.0742822256.

Adding to 2003916 its reverse (6193002), we get a palindrome (8196918).

The spelling of 2003916 in words is "two million, three thousand, nine hundred sixteen".