104885685 has 20 divisors (see below), whose sum is σ = 188018028. Its totient is φ = 55938816.

The previous prime is 104885653. The next prime is 104885707. The reversal of 104885685 is 586588401.

104885685 is a `hidden beast` number, since 1 + 0 + 4 + 88 + 568 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 63011844 = 6471^2 + 7938^2 .

It is not a de Polignac number, because 104885685 - 2⁵ = 104885653 is a prime.

It is a super-2 number, since 2×104885685² = 22002013835838450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 104885685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129084 + ... + 129893.

Almost surely, 2^104885685 is an apocalyptic number.

104885685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104885685 is a deficient number, since it is larger than the sum of its proper divisors (83132343).

104885685 is an equidigital number, since it uses as much as digits as its factorization.

104885685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258994 (or 258985 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 104885685 is about 10241.3712460783. The cubic root of 104885685 is about 471.5981285010.

It can be divided in two parts, 104885 and 685, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 104885685 in words is "one hundred four million, eight hundred eighty-five thousand, six hundred eighty-five".