2141766 has 48 divisors (see below), whose sum is σ = 5250960. Its totient is φ = 624960.

The previous prime is 2141753. The next prime is 2141791. The reversal of 2141766 is 6671412.

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, 5556 + ... + 5928.

It is an arithmetic number, because the mean of its divisors is an integer number (109395).

2^2141766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625480).

2141766 is an abundant number, since it is smaller than the sum of its proper divisors (3109194).

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

2141766 is a wasteful number, since it uses less digits than its factorization.

2141766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 418 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2141766 is about 1463.4773657286. The cubic root of 2141766 is about 128.9013126594.

The spelling of 2141766 in words is "two million, one hundred forty-one thousand, seven hundred sixty-six".