2005284 has 12 divisors (see below), whose sum is σ = 4679024. Its totient is φ = 668424.

The previous prime is 2005277. The next prime is 2005319. The reversal of 2005284 is 4825002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2005284.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83542 + ... + 83565.

2^2005284 is an apocalyptic number.

It is an amenable number.

2005284 is an abundant number, since it is smaller than the sum of its proper divisors (2673740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005284 is a wasteful number, since it uses less digits than its factorization.

2005284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167114 (or 167112 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2005284 is about 1416.0805061860. The cubic root of 2005284 is about 126.1029644636.

The spelling of 2005284 in words is "two million, five thousand, two hundred eighty-four".