2056878 has 24 divisors (see below), whose sum is σ = 4485000. Its totient is φ = 681264.

The previous prime is 2056853. The next prime is 2056891. The reversal of 2056878 is 8786502.

2056878 is a `hidden beast` number, since 20 + 568 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3873 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (186875).

2^2056878 is an apocalyptic number.

2056878 is an abundant number, since it is smaller than the sum of its proper divisors (2428122).

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

2056878 is a wasteful number, since it uses less digits than its factorization.

2056878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2056878 is about 1434.1819968191. The cubic root of 2056878 is about 127.1753215444.

The spelling of 2056878 in words is "two million, fifty-six thousand, eight hundred seventy-eight".