2628878 has 16 divisors (see below), whose sum is σ = 4744320. Its totient is φ = 1067256.

The previous prime is 2628839. The next prime is 2628889. The reversal of 2628878 is 8788262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (296520).

2^2628878 is an apocalyptic number.

2628878 is a deficient number, since it is larger than the sum of its proper divisors (2115442).

2628878 is a wasteful number, since it uses less digits than its factorization.

2628878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911.

The product of its digits is 86016, while the sum is 41.

The square root of 2628878 is about 1621.3815097009. The cubic root of 2628878 is about 138.0141062385.

The spelling of 2628878 in words is "two million, six hundred twenty-eight thousand, eight hundred seventy-eight".