103938685 has 4 divisors (see below), whose sum is σ = 124726428. Its totient is φ = 83150944.

The previous prime is 103938673. The next prime is 103938713. The reversal of 103938685 is 586839301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586839301 = 19 ⋅30886279.

It can be written as a sum of positive squares in 2 ways, for example, as 16216729 + 87721956 = 4027^2 + 9366^2 .

It is a cyclic number.

It is not a de Polignac number, because 103938685 - 2⁷ = 103938557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10393864 + ... + 10393873.

It is an arithmetic number, because the mean of its divisors is an integer number (31181607).

Almost surely, 2^103938685 is an apocalyptic number.

It is an amenable number.

103938685 is a deficient number, since it is larger than the sum of its proper divisors (20787743).

103938685 is an equidigital number, since it uses as much as digits as its factorization.

103938685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20787742.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 103938685 is about 10195.0323687569. The cubic root of 103938685 is about 470.1745013719.

The spelling of 103938685 in words is "one hundred three million, nine hundred thirty-eight thousand, six hundred eighty-five".