104386729 has 4 divisors (see below), whose sum is σ = 105708160. Its totient is φ = 103065300.

The previous prime is 104386721. The next prime is 104386759. The reversal of 104386729 is 927683401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104386729 - 2³ = 104386721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104386691 and 104386700.

It is not an unprimeable number, because it can be changed into a prime (104386721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660597 + ... + 660754.

It is an arithmetic number, because the mean of its divisors is an integer number (26427040).

Almost surely, 2^104386729 is an apocalyptic number.

It is an amenable number.

104386729 is a deficient number, since it is larger than the sum of its proper divisors (1321431).

104386729 is an equidigital number, since it uses as much as digits as its factorization.

104386729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321430.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 104386729 is about 10216.9823822888. The cubic root of 104386729 is about 470.8491199204.

The spelling of 104386729 in words is "one hundred four million, three hundred eighty-six thousand, seven hundred twenty-nine".