2003964 has 24 divisors (see below), whose sum is σ = 4827648. Its totient is φ = 646320.

The previous prime is 2003959. The next prime is 2003971. The reversal of 2003964 is 4693002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (201152).

2^2003964 is an apocalyptic number.

It is an amenable number.

2003964 is an abundant number, since it is smaller than the sum of its proper divisors (2823684).

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

2003964 is a wasteful number, since it uses less digits than its factorization.

2003964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2003964 is about 1415.6143542646. The cubic root of 2003964 is about 126.0752888409.

Adding to 2003964 its reverse (4693002), we get a palindrome (6696966).

The spelling of 2003964 in words is "two million, three thousand, nine hundred sixty-four".