2041686 has 24 divisors (see below), whose sum is σ = 4588584. Its totient is φ = 680400.

The previous prime is 2041681. The next prime is 2041693. The reversal of 2041686 is 6861402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (191191).

2^2041686 is an apocalyptic number.

2041686 is an abundant number, since it is smaller than the sum of its proper divisors (2546898).

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

2041686 is an equidigital number, since it uses as much as digits as its factorization.

2041686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 4206 counting only the distinct ones).

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

The square root of 2041686 is about 1428.8757818649. The cubic root of 2041686 is about 126.8614439479.

It can be divided in two parts, 20416 and 86, that added together give a palindrome (20502).

The spelling of 2041686 in words is "two million, forty-one thousand, six hundred eighty-six".