2636 has 6 divisors (see below), whose sum is σ = 4620. Its totient is φ = 1316.

The previous prime is 2633. The next prime is 2647. The reversal of 2636 is 6362.

2636 is nontrivially palindromic in base 15.

2636 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

2636 is an undulating number in base 15.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326 + ... + 333.

It is an arithmetic number, because the mean of its divisors is an integer number (770).

It is an amenable number.

2636 is a deficient number, since it is larger than the sum of its proper divisors (1984).

2636 is a wasteful number, since it uses less digits than its factorization.

2636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 2636 is about 51.3419906120. The cubic root of 2636 is about 13.8138627062.

Adding to 2636 its reverse (6362), we get a palindrome (8998).

The spelling of 2636 in words is "two thousand, six hundred thirty-six".