104408613 has 12 divisors (see below), whose sum is σ = 156013260. Its totient is φ = 67205376.

The previous prime is 104408597. The next prime is 104408617. The reversal of 104408613 is 316804401.

104408613 is a `hidden beast` number, since 1 + 0 + 4 + 40 + 8 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 49322529 = 7422^2 + 7023^2 .

It is not a de Polignac number, because 104408613 - 2⁴ = 104408597 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104408617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199756 + ... + 200277.

It is an arithmetic number, because the mean of its divisors is an integer number (13001105).

Almost surely, 2^104408613 is an apocalyptic number.

It is an amenable number.

104408613 is a deficient number, since it is larger than the sum of its proper divisors (51604647).

104408613 is a wasteful number, since it uses less digits than its factorization.

104408613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400068 (or 400065 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 104408613 is about 10218.0532881758. The cubic root of 104408613 is about 470.8820211083.

The spelling of 104408613 in words is "one hundred four million, four hundred eight thousand, six hundred thirteen".