2646868 has 12 divisors (see below), whose sum is σ = 5293792. Its totient is φ = 1134360.

The previous prime is 2646841. The next prime is 2646881. The reversal of 2646868 is 8686462.

2646868 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2646868.

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, 47238 + ... + 47293.

2^2646868 is an apocalyptic number.

2646868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2646868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2646868 is a wasteful number, since it uses less digits than its factorization.

2646868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94542 (or 94540 counting only the distinct ones).

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

The square root of 2646868 is about 1626.9197890492. The cubic root of 2646868 is about 138.3282112908.

The spelling of 2646868 in words is "two million, six hundred forty-six thousand, eight hundred sixty-eight".