2005774 has 4 divisors (see below), whose sum is σ = 3008664. Its totient is φ = 1002886.

The previous prime is 2005769. The next prime is 2005777. The reversal of 2005774 is 4775002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4775002 = 2 ⋅2387501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501442 + ... + 501445.

It is an arithmetic number, because the mean of its divisors is an integer number (752166).

2^2005774 is an apocalyptic number.

2005774 is a deficient number, since it is larger than the sum of its proper divisors (1002890).

2005774 is a wasteful number, since it uses less digits than its factorization.

2005774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002889.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2005774 is about 1416.2535083805. The cubic root of 2005774 is about 126.1132348992.

The spelling of 2005774 in words is "two million, five thousand, seven hundred seventy-four".