2806648 has 16 divisors (see below), whose sum is σ = 5667480. Its totient is φ = 1295328.

The previous prime is 2806619. The next prime is 2806651. The reversal of 2806648 is 8466082.

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, 13390 + ... + 13597.

2^2806648 is an apocalyptic number.

It is an amenable number.

2806648 is an abundant number, since it is smaller than the sum of its proper divisors (2860832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2806648 is a wasteful number, since it uses less digits than its factorization.

2806648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27006 (or 27002 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2806648 is about 1675.3053453028. The cubic root of 2806648 is about 141.0574351461.

The spelling of 2806648 in words is "two million, eight hundred six thousand, six hundred forty-eight".