104438840 has 32 divisors (see below), whose sum is σ = 256350960. Its totient is φ = 37977600.

The previous prime is 104438821. The next prime is 104438843. The reversal of 104438840 is 48834401.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 104438797 and 104438806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104438843) 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, 118241 + ... + 119120.

Almost surely, 2^104438840 is an apocalyptic number.

104438840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104438840 is an abundant number, since it is smaller than the sum of its proper divisors (151912120).

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

104438840 is a wasteful number, since it uses less digits than its factorization.

104438840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237383 (or 237379 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 104438840 is about 10219.5322789255. The cubic root of 104438840 is about 470.9274579010.

The spelling of 104438840 in words is "one hundred four million, four hundred thirty-eight thousand, eight hundred forty".