2005718 has 16 divisors (see below), whose sum is σ = 3535056. Its totient is φ = 841440.

The previous prime is 2005693. The next prime is 2005723. The reversal of 2005718 is 8175002.

It is a junction number, because it is equal to n+sod(n) for n = 2005693 and 2005702.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3221 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (220941).

2^2005718 is an apocalyptic number.

2005718 is a deficient number, since it is larger than the sum of its proper divisors (1529338).

2005718 is a wasteful number, since it uses less digits than its factorization.

2005718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2005718 is about 1416.2337377707. The cubic root of 2005718 is about 126.1120612198.

The spelling of 2005718 in words is "two million, five thousand, seven hundred eighteen".