2005486894 has 4 divisors (see below), whose sum is σ = 3008230344. Its totient is φ = 1002743446.

The previous prime is 2005486859. The next prime is 2005486897. The reversal of 2005486894 is 4986845002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4986845002 = 2 ⋅2493422501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005486897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501371722 + ... + 501371725.

It is an arithmetic number, because the mean of its divisors is an integer number (752057586).

Almost surely, 2^2005486894 is an apocalyptic number.

2005486894 is a deficient number, since it is larger than the sum of its proper divisors (1002743450).

2005486894 is a wasteful number, since it uses less digits than its factorization.

2005486894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002743449.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 2005486894 is about 44782.6628730360. The cubic root of 2005486894 is about 1261.0721733952.

The spelling of 2005486894 in words is "two billion, five million, four hundred eighty-six thousand, eight hundred ninety-four".