2648656 has 10 divisors (see below), whose sum is σ = 5131802. Its totient is φ = 1324320.

The previous prime is 2648629. The next prime is 2648669. The reversal of 2648656 is 6568462.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 1000000 = 1284^2 + 1000^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82755 + ... + 82786.

2^2648656 is an apocalyptic number.

It is an amenable number.

2648656 is a deficient number, since it is larger than the sum of its proper divisors (2483146).

2648656 is a wasteful number, since it uses less digits than its factorization.

2648656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165549 (or 165543 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 2648656 is about 1627.4692009375. The cubic root of 2648656 is about 138.3593518905.

The spelling of 2648656 in words is "two million, six hundred forty-eight thousand, six hundred fifty-six".