2066584 has 32 divisors (see below), whose sum is σ = 4314240. Its totient is φ = 921600.

The previous prime is 2066579. The next prime is 2066587. The reversal of 2066584 is 4856602.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (134820).

2^2066584 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 2066584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157120).

2066584 is an abundant number, since it is smaller than the sum of its proper divisors (2247656).

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

2066584 is a wasteful number, since it uses less digits than its factorization.

2066584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2066584 is about 1437.5618247575. The cubic root of 2066584 is about 127.3750461063.

The spelling of 2066584 in words is "two million, sixty-six thousand, five hundred eighty-four".