2065784 has 32 divisors (see below), whose sum is σ = 4550880. Its totient is φ = 860544.

The previous prime is 2065769. The next prime is 2065799. The reversal of 2065784 is 4875602.

It is an interprime number because it is at equal distance from previous prime (2065769) and next prime (2065799).

It is a self number, because there is not a number n which added to its sum of digits gives 2065784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (142215).

2^2065784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275440).

2065784 is an abundant number, since it is smaller than the sum of its proper divisors (2485096).

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

2065784 is a wasteful number, since it uses less digits than its factorization.

2065784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2065784 is about 1437.2835489214. The cubic root of 2065784 is about 127.3586078377.

The spelling of 2065784 in words is "two million, sixty-five thousand, seven hundred eighty-four".