2001886 has 16 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 930816.

The previous prime is 2001847. The next prime is 2001911. The reversal of 2001886 is 6881002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2995 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2001886 is an apocalyptic number.

2001886 is a deficient number, since it is larger than the sum of its proper divisors (1215650).

2001886 is a wasteful number, since it uses less digits than its factorization.

2001886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2001886 is about 1414.8802069433. The cubic root of 2001886 is about 126.0316960656.

Adding to 2001886 its reverse (6881002), we get a palindrome (8882888).

The spelling of 2001886 in words is "two million, one thousand, eight hundred eighty-six".