2648636 has 12 divisors (see below), whose sum is σ = 4657128. Its totient is φ = 1318032.

The previous prime is 2648629. The next prime is 2648669. The reversal of 2648636 is 6368462.

It is a junction number, because it is equal to n+sod(n) for n = 2648596 and 2648605.

It is a congruent number.

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, 551 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (388094).

2^2648636 is an apocalyptic number.

It is an amenable number.

2648636 is a deficient number, since it is larger than the sum of its proper divisors (2008492).

2648636 is a wasteful number, since it uses less digits than its factorization.

2648636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148 (or 3146 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 2648636 is about 1627.4630564163. The cubic root of 2648636 is about 138.3590036392.

The spelling of 2648636 in words is "two million, six hundred forty-eight thousand, six hundred thirty-six".