2056688 has 20 divisors (see below), whose sum is σ = 4011648. Its totient is φ = 1021440.

The previous prime is 2056687. The next prime is 2056697. The reversal of 2056688 is 8866502.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720 + ... + 3392.

2^2056688 is an apocalyptic number.

It is an amenable number.

2056688 is a deficient number, since it is larger than the sum of its proper divisors (1954960).

2056688 is a wasteful number, since it uses less digits than its factorization.

2056688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2056688 is about 1434.1157554396. The cubic root of 2056688 is about 127.1714055683.

It can be divided in two parts, 2056 and 688, that added together give a cube (2744 = 14³).

The spelling of 2056688 in words is "two million, fifty-six thousand, six hundred eighty-eight".