2116693 has 2 divisors, whose sum is σ = 2116694. Its totient is φ = 2116692.

The previous prime is 2116691. The next prime is 2116717. The reversal of 2116693 is 3966112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 248004 = 1367^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116693 - 2¹ = 2116691 is a prime.

Together with 2116691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058346 + 1058347.

It is an arithmetic number, because the mean of its divisors is an integer number (1058347).

2^2116693 is an apocalyptic number.

It is an amenable number.

2116693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116693 is an equidigital number, since it uses as much as digits as its factorization.

2116693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 2116693 is about 1454.8859061796. The cubic root of 2116693 is about 128.3963342024.

It can be divided in two parts, 2116 and 693, that added together give a square (2809 = 53²).

The spelling of 2116693 in words is "two million, one hundred sixteen thousand, six hundred ninety-three".