2121676 has 12 divisors (see below), whose sum is σ = 3742200. Its totient is φ = 1052480.

The previous prime is 2121667. The next prime is 2121683. The reversal of 2121676 is 6761212.

2121676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2121676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

2^2121676 is an apocalyptic number.

It is an amenable number.

2121676 is a deficient number, since it is larger than the sum of its proper divisors (1620524).

2121676 is a wasteful number, since it uses less digits than its factorization.

2121676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 4182 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2121676 is about 1456.5974049132. The cubic root of 2121676 is about 128.4970097262.

Adding to 2121676 its reverse (6761212), we get a palindrome (8882888).

The spelling of 2121676 in words is "two million, one hundred twenty-one thousand, six hundred seventy-six".