2808678 has 8 divisors (see below), whose sum is σ = 5617368. Its totient is φ = 936224.

The previous prime is 2808677. The next prime is 2808683. The reversal of 2808678 is 8768082.

It is a sphenic number, since it is the product of 3 distinct primes.

2808678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234051 + ... + 234062.

It is an arithmetic number, because the mean of its divisors is an integer number (702171).

2^2808678 is an apocalyptic number.

2808678 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.

2808678 is a wasteful number, since it uses less digits than its factorization.

2808678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468118.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 2808678 is about 1675.9110954940. The cubic root of 2808678 is about 141.0914350854.

It can be divided in two parts, 280867 and 8, that added together give a triangular number (280875 = T₇₄₉).

The spelling of 2808678 in words is "two million, eight hundred eight thousand, six hundred seventy-eight".