104439887 has 8 divisors (see below), whose sum is σ = 105131520. Its totient is φ = 103751200.

The previous prime is 104439883. The next prime is 104439889. The reversal of 104439887 is 788934401.

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 104439887 - 2² = 104439883 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 (104439883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148637 + ... + 149337.

It is an arithmetic number, because the mean of its divisors is an integer number (13141440).

Almost surely, 2^104439887 is an apocalyptic number.

104439887 is a deficient number, since it is larger than the sum of its proper divisors (691633).

104439887 is an equidigital number, since it uses as much as digits as its factorization.

104439887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 104439887 is about 10219.5835042334. The cubic root of 104439887 is about 470.9290315793.

The spelling of 104439887 in words is "one hundred four million, four hundred thirty-nine thousand, eight hundred eighty-seven".