104639424 has 56 divisors (see below), whose sum is σ = 286420560. Its totient is φ = 33675264.

The previous prime is 104639419. The next prime is 104639449. The reversal of 104639424 is 424936401.

It is a congruent number.

It is an unprimeable number.

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, 3829 + ... + 14964.

Almost surely, 2^104639424 is an apocalyptic number.

It is an amenable number.

104639424 is an abundant number, since it is smaller than the sum of its proper divisors (181781136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104639424 is a wasteful number, since it uses less digits than its factorization.

104639424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837 (or 18827 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 104639424 is about 10229.3413277689. The cubic root of 104639424 is about 471.2287509973.

It can be divided in two parts, 1046 and 39424, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 104639424 in words is "one hundred four million, six hundred thirty-nine thousand, four hundred twenty-four".