104386505 has 4 divisors (see below), whose sum is σ = 125263812. Its totient is φ = 83509200.

The previous prime is 104386487. The next prime is 104386519. The reversal of 104386505 is 505683401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505683401 = 19309 ⋅26189.

It can be written as a sum of positive squares in 2 ways, for example, as 22429696 + 81956809 = 4736^2 + 9053^2 .

It is not a de Polignac number, because 104386505 - 2⁶ = 104386441 is a prime.

It is a super-2 number, since 2×104386505² = 21793084852230050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10438646 + ... + 10438655.

It is an arithmetic number, because the mean of its divisors is an integer number (31315953).

Almost surely, 2^104386505 is an apocalyptic number.

It is an amenable number.

104386505 is a deficient number, since it is larger than the sum of its proper divisors (20877307).

104386505 is an equidigital number, since it uses as much as digits as its factorization.

104386505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20877306.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 104386505 is about 10216.9714201421. The cubic root of 104386505 is about 470.8487831270.

The spelling of 104386505 in words is "one hundred four million, three hundred eighty-six thousand, five hundred five".