2648866 has 16 divisors (see below), whose sum is σ = 4563360. Its totient is φ = 1140480.

The previous prime is 2648861. The next prime is 2648879. The reversal of 2648866 is 6688462.

It is not an unprimeable number, because it can be changed into a prime (2648861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (285210).

2^2648866 is an apocalyptic number.

2648866 is a deficient number, since it is larger than the sum of its proper divisors (1914494).

2648866 is a wasteful number, since it uses less digits than its factorization.

2648866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369.

The product of its digits is 110592, while the sum is 40.

The square root of 2648866 is about 1627.5337170087. The cubic root of 2648866 is about 138.3630084238.

The spelling of 2648866 in words is "two million, six hundred forty-eight thousand, eight hundred sixty-six".