2003612 has 24 divisors (see below), whose sum is σ = 3852576. Its totient is φ = 906048.

The previous prime is 2003611. The next prime is 2003621. The reversal of 2003612 is 2163002.

It is a super-2 number, since 2×2003612² = 8028922093088, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2393 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (160524).

2^2003612 is an apocalyptic number.

It is an amenable number.

2003612 is a deficient number, since it is larger than the sum of its proper divisors (1848964).

2003612 is a wasteful number, since it uses less digits than its factorization.

2003612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2003612 is about 1415.4900211588. The cubic root of 2003612 is about 126.0679066224.

Adding to 2003612 its reverse (2163002), we get a palindrome (4166614).

The spelling of 2003612 in words is "two million, three thousand, six hundred twelve".