103869 has 8 divisors (see below), whose sum is σ = 153920. Its totient is φ = 69228.

The previous prime is 103867. The next prime is 103889. The reversal of 103869 is 968301.

It is not a de Polignac number, because 103869 - 2¹ = 103867 is a prime.

It is a super-2 number, since 2×103869² = 21577538322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3847 = 103869 / (1 + 0 + 3 + 8 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103867) 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 7 ways as a sum of consecutive naturals, for example, 1897 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (19240).

2¹⁰³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

103869 is a deficient number, since it is larger than the sum of its proper divisors (50051).

103869 is an equidigital number, since it uses as much as digits as its factorization.

103869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 103869 is about 322.2871390546. The cubic root of 103869 is about 47.0069402759.

The spelling of 103869 in words is "one hundred three thousand, eight hundred sixty-nine".