2052666 has 48 divisors (see below), whose sum is σ = 5548608. Its totient is φ = 532800.

The previous prime is 2052647. The next prime is 2052689. The reversal of 2052666 is 6662502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 646 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^2052666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774304).

2052666 is an abundant number, since it is smaller than the sum of its proper divisors (3495942).

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

2052666 is a wasteful number, since it uses less digits than its factorization.

2052666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2052666 is about 1432.7128114176. The cubic root of 2052666 is about 127.0884538890.

The spelling of 2052666 in words is "two million, fifty-two thousand, six hundred sixty-six".