2112684 has 36 divisors (see below), whose sum is σ = 5736024. Its totient is φ = 603456.

The previous prime is 2112683. The next prime is 2112703. The reversal of 2112684 is 4862112.

It is not an unprimeable number, because it can be changed into a prime (2112683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (159334).

2^2112684 is an apocalyptic number.

It is an amenable number.

2112684 is an abundant number, since it is smaller than the sum of its proper divisors (3623340).

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

2112684 is a wasteful number, since it uses less digits than its factorization.

2112684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3605 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 2112684 is about 1453.5074819209. The cubic root of 2112684 is about 128.3152224213.

Adding to 2112684 its reverse (4862112), we get a palindrome (6974796).

The spelling of 2112684 in words is "two million, one hundred twelve thousand, six hundred eighty-four".