2005893 has 6 divisors (see below), whose sum is σ = 2897414. Its totient is φ = 1337256.

The previous prime is 2005879. The next prime is 2005903. The reversal of 2005893 is 3985002.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 26244 = 1407^2 + 162^2 .

It is not a de Polignac number, because 2005893 - 2⁴ = 2005877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111430 + ... + 111447.

2^2005893 is an apocalyptic number.

It is an amenable number.

2005893 is a deficient number, since it is larger than the sum of its proper divisors (891521).

2005893 is a wasteful number, since it uses less digits than its factorization.

2005893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222883 (or 222880 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2005893 is about 1416.2955200099. The cubic root of 2005893 is about 126.1157288954.

The spelling of 2005893 in words is "two million, five thousand, eight hundred ninety-three".