2165284 has 12 divisors (see below), whose sum is σ = 4133808. Its totient is φ = 984200.

The previous prime is 2165249. The next prime is 2165291. The reversal of 2165284 is 4825612.

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, 24562 + ... + 24649.

It is an arithmetic number, because the mean of its divisors is an integer number (344484).

2^2165284 is an apocalyptic number.

It is an amenable number.

2165284 is a deficient number, since it is larger than the sum of its proper divisors (1968524).

2165284 is a wasteful number, since it uses less digits than its factorization.

2165284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49226 (or 49224 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2165284 is about 1471.4904009201. The cubic root of 2165284 is about 129.3714032778.

It can be divided in two parts, 21652 and 84, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2165284 in words is "two million, one hundred sixty-five thousand, two hundred eighty-four".