2056870 has 16 divisors (see below), whose sum is σ = 3755808. Its totient is φ = 810880.

The previous prime is 2056853. The next prime is 2056891. The reversal of 2056870 is 786502.

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, 739 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (234738).

2^2056870 is an apocalyptic number.

2056870 is a deficient number, since it is larger than the sum of its proper divisors (1698938).

2056870 is a wasteful number, since it uses less digits than its factorization.

2056870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2056870 is about 1434.1792077701. The cubic root of 2056870 is about 127.1751566661.

It can be divided in two parts, 2056 and 870, that added together give a triangular number (2926 = T₇₆).

The spelling of 2056870 in words is "two million, fifty-six thousand, eight hundred seventy".