104188586 has 4 divisors (see below), whose sum is σ = 156282882. Its totient is φ = 52094292.

The previous prime is 104188583. The next prime is 104188589. The reversal of 104188586 is 685881401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 685881401 = 233 ⋅2943697.

It is an interprime number because it is at equal distance from previous prime (104188583) and next prime (104188589).

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 27363361 = 8765^2 + 5231^2 .

It is a super-2 number, since 2×104188586² = 21710522905358792, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104188583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26047145 + ... + 26047148.

Almost surely, 2^104188586 is an apocalyptic number.

104188586 is a deficient number, since it is larger than the sum of its proper divisors (52094296).

104188586 is an equidigital number, since it uses as much as digits as its factorization.

104188586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52094295.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 104188586 is about 10207.2810287559. The cubic root of 104188586 is about 470.5510151377.

The spelling of 104188586 in words is "one hundred four million, one hundred eighty-eight thousand, five hundred eighty-six".