103829 has 4 divisors (see below), whose sum is σ = 113280. Its totient is φ = 94380.

The previous prime is 103813. The next prime is 103837. The reversal of 103829 is 928301.

103829 is nontrivially palindromic in base 12.

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: 928301 = 11 ⋅84391.

It is not a de Polignac number, because 103829 - 2⁴ = 103813 is a prime.

It is a super-2 number, since 2×103829² = 21560922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103889) 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, 4709 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (28320).

2¹⁰³⁸²⁹ is an apocalyptic number.

It is an amenable number.

103829 is a deficient number, since it is larger than the sum of its proper divisors (9451).

103829 is an equidigital number, since it uses as much as digits as its factorization.

103829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 103829 is about 322.2250766157. The cubic root of 103829 is about 47.0009053696. Note that the first 3 decimals are identical.

The spelling of 103829 in words is "one hundred three thousand, eight hundred twenty-nine".