2013604 has 24 divisors (see below), whose sum is σ = 3769920. Its totient is φ = 938784.

The previous prime is 2013593. The next prime is 2013617. The reversal of 2013604 is 4063102.

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, 3702 + ... + 4210.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

2^2013604 is an apocalyptic number.

It is an amenable number.

2013604 is a deficient number, since it is larger than the sum of its proper divisors (1756316).

2013604 is a wasteful number, since it uses less digits than its factorization.

2013604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2013604 is about 1419.0151514343. The cubic root of 2013604 is about 126.2771258251.

Adding to 2013604 its reverse (4063102), we get a palindrome (6076706).

The spelling of 2013604 in words is "two million, thirteen thousand, six hundred four".