103785685 has 8 divisors (see below), whose sum is σ = 124623576. Its totient is φ = 82974720.

The previous prime is 103785679. The next prime is 103785701. The reversal of 103785685 is 586587301.

It can be written as a sum of positive squares in 4 ways, for example, as 10817521 + 92968164 = 3289^2 + 9642^2 .

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

It is not a de Polignac number, because 103785685 - 2⁵ = 103785653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (15577947).

Almost surely, 2^103785685 is an apocalyptic number.

It is an amenable number.

103785685 is a deficient number, since it is larger than the sum of its proper divisors (20837891).

103785685 is a wasteful number, since it uses less digits than its factorization.

103785685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 103785685 is about 10187.5259508872. The cubic root of 103785685 is about 469.9436857230.

The spelling of 103785685 in words is "one hundred three million, seven hundred eighty-five thousand, six hundred eighty-five".