2641648 has 10 divisors (see below), whose sum is σ = 5118224. Its totient is φ = 1320816.

The previous prime is 2641637. The next prime is 2641649. The reversal of 2641648 is 8461462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82536 + ... + 82567.

2^2641648 is an apocalyptic number.

It is an amenable number.

2641648 is a deficient number, since it is larger than the sum of its proper divisors (2476576).

2641648 is a wasteful number, since it uses less digits than its factorization.

2641648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165111 (or 165105 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2641648 is about 1625.3147387506. The cubic root of 2641648 is about 138.2372171472.

The spelling of 2641648 in words is "two million, six hundred forty-one thousand, six hundred forty-eight".