104649605 has 8 divisors (see below), whose sum is σ = 125872152. Its totient is φ = 83524608.

The previous prime is 104649581. The next prime is 104649607. The reversal of 104649605 is 506946401.

It can be written as a sum of positive squares in 4 ways, for example, as 9431041 + 95218564 = 3071^2 + 9758^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104649605 - 2¹⁶ = 104584069 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 (104649607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22004 + ... + 26333.

It is an arithmetic number, because the mean of its divisors is an integer number (15734019).

Almost surely, 2^104649605 is an apocalyptic number.

It is an amenable number.

104649605 is a deficient number, since it is larger than the sum of its proper divisors (21222547).

104649605 is an equidigital number, since it uses as much as digits as its factorization.

104649605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48775.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 104649605 is about 10229.8389527890. The cubic root of 104649605 is about 471.2440333964.

The spelling of 104649605 in words is "one hundred four million, six hundred forty-nine thousand, six hundred five".