2003316 has 36 divisors (see below), whose sum is σ = 5439168. Its totient is φ = 572208.

The previous prime is 2003299. The next prime is 2003321. The reversal of 2003316 is 6133002.

It is a junction number, because it is equal to n+sod(n) for n = 2003295 and 2003304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (151088).

2^2003316 is an apocalyptic number.

It is an amenable number.

2003316 is an abundant number, since it is smaller than the sum of its proper divisors (3435852).

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

2003316 is a wasteful number, since it uses less digits than its factorization.

2003316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2003316 is about 1415.3854598660. The cubic root of 2003316 is about 126.0616981785.

Adding to 2003316 its reverse (6133002), we get a palindrome (8136318).

The spelling of 2003316 in words is "two million, three thousand, three hundred sixteen".