2056606 has 4 divisors (see below), whose sum is σ = 3084912. Its totient is φ = 1028302.

The previous prime is 2056603. The next prime is 2056627. The reversal of 2056606 is 6066502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056603) 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 as a sum of consecutive naturals, namely, 514150 + ... + 514153.

It is an arithmetic number, because the mean of its divisors is an integer number (771228).

2^2056606 is an apocalyptic number.

2056606 is a deficient number, since it is larger than the sum of its proper divisors (1028306).

2056606 is a wasteful number, since it uses less digits than its factorization.

2056606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028305.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2056606 is about 1434.0871661095. The cubic root of 2056606 is about 127.1697154410.

It can be divided in two parts, 2056 and 606, that added together give a palindrome (2662).

The spelling of 2056606 in words is "two million, fifty-six thousand, six hundred six".