2002636 has 12 divisors (see below), whose sum is σ = 3516520. Its totient is φ = 997920.

The previous prime is 2002621. The next prime is 2002643. The reversal of 2002636 is 6362002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 2176.

2^2002636 is an apocalyptic number.

It is an amenable number.

2002636 is a deficient number, since it is larger than the sum of its proper divisors (1513884).

2002636 is a wasteful number, since it uses less digits than its factorization.

2002636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2002636 is about 1415.1452222299. The cubic root of 2002636 is about 126.0474332205.

Adding to 2002636 its reverse (6362002), we get a palindrome (8364638).

The spelling of 2002636 in words is "two million, two thousand, six hundred thirty-six".