116709 has 4 divisors (see below), whose sum is σ = 155616. Its totient is φ = 77804.

The previous prime is 116707. The next prime is 116719. The reversal of 116709 is 907611.

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.

It is a cyclic number.

It is not a de Polignac number, because 116709 - 2¹ = 116707 is a prime.

It is a D-number.

It is a Curzon number.

116709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19449 + ... + 19454.

It is an arithmetic number, because the mean of its divisors is an integer number (38904).

2¹¹⁶⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

116709 is a deficient number, since it is larger than the sum of its proper divisors (38907).

116709 is an equidigital number, since it uses as much as digits as its factorization.

116709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38906.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 116709 is about 341.6269895661. The cubic root of 116709 is about 48.8691497065.

The spelling of 116709 in words is "one hundred sixteen thousand, seven hundred nine".