104841639 has 24 divisors (see below), whose sum is σ = 182183040. Its totient is φ = 56755728.

The previous prime is 104841637. The next prime is 104841661. The reversal of 104841639 is 936148401.

104841639 is a `hidden beast` number, since 10 + 4 + 8 + 4 + 1 + 639 = 666.

It is not a de Polignac number, because 104841639 - 2¹ = 104841637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104841637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42597 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (7590960).

Almost surely, 2^104841639 is an apocalyptic number.

104841639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

104841639 is a deficient number, since it is larger than the sum of its proper divisors (77341401).

104841639 is a wasteful number, since it uses less digits than its factorization.

104841639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87619 (or 87616 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 104841639 is about 10239.2206246374. The cubic root of 104841639 is about 471.5321044942.

The spelling of 104841639 in words is "one hundred four million, eight hundred forty-one thousand, six hundred thirty-nine".