2116786 has 16 divisors (see below), whose sum is σ = 3707136. Its totient is φ = 887616.

The previous prime is 2116783. The next prime is 2116799. The reversal of 2116786 is 6876112.

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 7 ways as a sum of consecutive naturals, for example, 951 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (231696).

2^2116786 is an apocalyptic number.

2116786 is a deficient number, since it is larger than the sum of its proper divisors (1590350).

2116786 is a wasteful number, since it uses less digits than its factorization.

2116786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273.

The product of its digits is 4032, while the sum is 31.

The square root of 2116786 is about 1454.9178670977. The cubic root of 2116786 is about 128.3982146017.

It can be divided in two parts, 21 and 16786, that added together give a 5-th power (16807 = 7⁵).

The spelling of 2116786 in words is "two million, one hundred sixteen thousand, seven hundred eighty-six".