2055693 has 4 divisors (see below), whose sum is σ = 2740928. Its totient is φ = 1370460.

The previous prime is 2055689. The next prime is 2055707. The reversal of 2055693 is 3965502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2055693 - 2² = 2055689 is a prime.

It is a D-number.

It is a Duffinian number.

2055693 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055673) 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 in 3 ways as a sum of consecutive naturals, for example, 342613 + ... + 342618.

It is an arithmetic number, because the mean of its divisors is an integer number (685232).

2^2055693 is an apocalyptic number.

It is an amenable number.

2055693 is a deficient number, since it is larger than the sum of its proper divisors (685235).

2055693 is an equidigital number, since it uses as much as digits as its factorization.

2055693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685234.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2055693 is about 1433.7688098156. The cubic root of 2055693 is about 127.1508942804.

The spelling of 2055693 in words is "two million, fifty-five thousand, six hundred ninety-three".