104439687 has 48 divisors (see below), whose sum is σ = 165514752. Its totient is φ = 58055680.

The previous prime is 104439679. The next prime is 104439689. The reversal of 104439687 is 786934401.

It is not a de Polignac number, because 104439687 - 2³ = 104439679 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104439689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448123 + ... + 448355.

It is an arithmetic number, because the mean of its divisors is an integer number (3448224).

Almost surely, 2^104439687 is an apocalyptic number.

104439687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

104439687 is a deficient number, since it is larger than the sum of its proper divisors (61075065).

104439687 is a wasteful number, since it uses less digits than its factorization.

104439687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 104439687 is about 10219.5737190942. The cubic root of 104439687 is about 470.9287309730.

The spelling of 104439687 in words is "one hundred four million, four hundred thirty-nine thousand, six hundred eighty-seven".