103985 has 8 divisors (see below), whose sum is σ = 142656. Its totient is φ = 71280.

The previous prime is 103981. The next prime is 103991. The reversal of 103985 is 589301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103985 - 2² = 103981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103985.

It is not an unprimeable number, because it can be changed into a prime (103981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (17832).

2¹⁰³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

103985 is a deficient number, since it is larger than the sum of its proper divisors (38671).

103985 is an equidigital number, since it uses as much as digits as its factorization.

103985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 103985 is about 322.4670525806. The cubic root of 103985 is about 47.0244327470.

The spelling of 103985 in words is "one hundred three thousand, nine hundred eighty-five".