2041866 has 12 divisors (see below), whose sum is σ = 4424082. Its totient is φ = 680616.

The previous prime is 2041859. The next prime is 2041867. The reversal of 2041866 is 6681402.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 275625 = 1329^2 + 525^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2041867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56701 + ... + 56736.

2^2041866 is an apocalyptic number.

2041866 is an abundant number, since it is smaller than the sum of its proper divisors (2382216).

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

2041866 is a wasteful number, since it uses less digits than its factorization.

2041866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113445 (or 113442 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2041866 is about 1428.9387670576. The cubic root of 2041866 is about 126.8651719761.

The spelling of 2041866 in words is "two million, forty-one thousand, eight hundred sixty-six".