104185807 has 4 divisors (see below), whose sum is σ = 113657256. Its totient is φ = 94714360.

The previous prime is 104185801. The next prime is 104185811. The reversal of 104185807 is 708581401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104185807 - 2¹¹ = 104183759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104185801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735708 + ... + 4735729.

It is an arithmetic number, because the mean of its divisors is an integer number (28414314).

Almost surely, 2^104185807 is an apocalyptic number.

104185807 is a deficient number, since it is larger than the sum of its proper divisors (9471449).

104185807 is an equidigital number, since it uses as much as digits as its factorization.

104185807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471448.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 104185807 is about 10207.1448995299. The cubic root of 104185807 is about 470.5468314648.

The spelling of 104185807 in words is "one hundred four million, one hundred eighty-five thousand, eight hundred seven".