104704639 has 8 divisors (see below), whose sum is σ = 116396672. Its totient is φ = 93532320.

The previous prime is 104704631. The next prime is 104704643. The reversal of 104704639 is 936407401.

It is a happy number.

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 104704639 - 2³ = 104704631 is a prime.

It is a super-2 number, since 2×104704639² = 21926122856240642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104704631) 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, 129504 + ... + 130309.

It is an arithmetic number, because the mean of its divisors is an integer number (14549584).

Almost surely, 2^104704639 is an apocalyptic number.

104704639 is a deficient number, since it is larger than the sum of its proper divisors (11692033).

104704639 is a wasteful number, since it uses less digits than its factorization.

104704639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259857.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 104704639 is about 10232.5284754063. The cubic root of 104704639 is about 471.3266261568.

The spelling of 104704639 in words is "one hundred four million, seven hundred four thousand, six hundred thirty-nine".