104065605 has 48 divisors (see below), whose sum is σ = 212818944. Its totient is φ = 46033920.

The previous prime is 104065597. The next prime is 104065607. The reversal of 104065605 is 506560401.

It is a happy number.

104065605 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 656 + 0 + 5 = 666.

It is not a de Polignac number, because 104065605 - 2³ = 104065597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104065607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4437 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (4433728).

Almost surely, 2^104065605 is an apocalyptic number.

104065605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104065605 is an abundant number, since it is smaller than the sum of its proper divisors (108753339).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104065605 is a wasteful number, since it uses less digits than its factorization.

104065605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706 (or 10703 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 104065605 is about 10201.2550698431. The cubic root of 104065605 is about 470.3658009333.

The spelling of 104065605 in words is "one hundred four million, sixty-five thousand, six hundred five".