2116782 has 24 divisors (see below), whose sum is σ = 4786704. Its totient is φ = 674784.

The previous prime is 2116757. The next prime is 2116783. The reversal of 2116782 is 2876112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116783) 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, 2143 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (199446).

2^2116782 is an apocalyptic number.

2116782 is an abundant number, since it is smaller than the sum of its proper divisors (2669922).

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

2116782 is a wasteful number, since it uses less digits than its factorization.

2116782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5141 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 2116782 is about 1454.9164924490. The cubic root of 2116782 is about 128.3981337255.

The spelling of 2116782 in words is "two million, one hundred sixteen thousand, seven hundred eighty-two".