2643116 has 12 divisors (see below), whose sum is σ = 5286288. Its totient is φ = 1132752.

The previous prime is 2643107. The next prime is 2643119. The reversal of 2643116 is 6113462.

It is a happy number.

2643116 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2643091 and 2643100.

It is not an unprimeable number, because it can be changed into a prime (2643119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47171 + ... + 47226.

It is an arithmetic number, because the mean of its divisors is an integer number (440524).

2^2643116 is an apocalyptic number.

It is an amenable number.

2643116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2643116 is a wasteful number, since it uses less digits than its factorization.

2643116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94408 (or 94406 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 2643116 is about 1625.7662808657. The cubic root of 2643116 is about 138.2628191774.

Adding to 2643116 its reverse (6113462), we get a palindrome (8756578).

The spelling of 2643116 in words is "two million, six hundred forty-three thousand, one hundred sixteen".