2116769 has 4 divisors (see below), whose sum is σ = 2119680. Its totient is φ = 2113860.

The previous prime is 2116757. The next prime is 2116783. The reversal of 2116769 is 9676112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2116769 - 2¹⁶ = 2051233 is a prime.

It is a super-2 number, since 2×2116769² = 8961421998722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (529920).

2^2116769 is an apocalyptic number.

It is an amenable number.

2116769 is a deficient number, since it is larger than the sum of its proper divisors (2911).

2116769 is a wasteful number, since it uses less digits than its factorization.

2116769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its digits is 4536, while the sum is 32.

The square root of 2116769 is about 1454.9120248317. The cubic root of 2116769 is about 128.3978708769.

The spelling of 2116769 in words is "two million, one hundred sixteen thousand, seven hundred sixty-nine".