2055706 has 4 divisors (see below), whose sum is σ = 3083562. Its totient is φ = 1027852.

The previous prime is 2055689. The next prime is 2055707. The reversal of 2055706 is 6075502.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 342225 = 1309^2 + 585^2 .

It is not an unprimeable number, because it can be changed into a prime (2055707) 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, 513925 + ... + 513928.

2^2055706 is an apocalyptic number.

2055706 is a deficient number, since it is larger than the sum of its proper divisors (1027856).

2055706 is a wasteful number, since it uses less digits than its factorization.

2055706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027855.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2055706 is about 1433.7733433148. The cubic root of 2055706 is about 127.1511623097.

The spelling of 2055706 in words is "two million, fifty-five thousand, seven hundred six".