103849 has 4 divisors (see below), whose sum is σ = 107460. Its totient is φ = 100240.

The previous prime is 103843. The next prime is 103867. The reversal of 103849 is 948301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948301 = 659 ⋅1439.

It can be written as a sum of positive squares in 2 ways, for example, as 75625 + 28224 = 275^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 103849 - 2³ = 103841 is a prime.

It is a super-2 number, since 2×103849² = 21569229602, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103841) 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, 1762 + ... + 1819.

It is an arithmetic number, because the mean of its divisors is an integer number (26865).

2¹⁰³⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

103849 is a deficient number, since it is larger than the sum of its proper divisors (3611).

103849 is an equidigital number, since it uses as much as digits as its factorization.

103849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103849 is about 322.2561093292. The cubic root of 103849 is about 47.0039230164.

The spelling of 103849 in words is "one hundred three thousand, eight hundred forty-nine".