104439365 has 4 divisors (see below), whose sum is σ = 125327244. Its totient is φ = 83551488.

The previous prime is 104439337. The next prime is 104439431. The reversal of 104439365 is 563934401.

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: 563934401 = 23 ⋅24518887.

It can be written as a sum of positive squares in 2 ways, for example, as 40934404 + 63504961 = 6398^2 + 7969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104439365 is a prime.

It is a Duffinian number.

It is a congruent 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, 10443932 + ... + 10443941.

It is an arithmetic number, because the mean of its divisors is an integer number (31331811).

Almost surely, 2^104439365 is an apocalyptic number.

It is an amenable number.

104439365 is a deficient number, since it is larger than the sum of its proper divisors (20887879).

104439365 is an equidigital number, since it uses as much as digits as its factorization.

104439365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887878.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 104439365 is about 10219.5579650002. The cubic root of 104439365 is about 470.9282469960.

The spelling of 104439365 in words is "one hundred four million, four hundred thirty-nine thousand, three hundred sixty-five".