115829 has 4 divisors (see below), whose sum is σ = 132384. Its totient is φ = 99276.

The previous prime is 115823. The next prime is 115831. The reversal of 115829 is 928511.

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 an emirpimes, since its reverse is a distinct semiprime: 928511 = 19 ⋅48869.

It is a cyclic number.

It is not a de Polignac number, because 115829 - 2¹² = 111733 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 115798 and 115807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8267 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (33096).

2¹¹⁵⁸²⁹ is an apocalyptic number.

It is an amenable number.

115829 is a deficient number, since it is larger than the sum of its proper divisors (16555).

115829 is an equidigital number, since it uses as much as digits as its factorization.

115829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554.

The product of its digits is 720, while the sum is 26.

The square root of 115829 is about 340.3365980908. The cubic root of 115829 is about 48.7460132615.

The spelling of 115829 in words is "one hundred fifteen thousand, eight hundred twenty-nine".