104943840 has 192 divisors, whose sum is σ = 358525440. Its totient is φ = 25712640.

The previous prime is 104943833. The next prime is 104943841. The reversal of 104943840 is 48349401.

It is a happy number.

It is a super-2 number, since 2×104943840² = 22026419107891200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104943841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337285 + ... + 337595.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^104943840 is an apocalyptic number.

104943840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104943840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179262720).

104943840 is an abundant number, since it is smaller than the sum of its proper divisors (253581600).

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

104943840 is a wasteful number, since it uses less digits than its factorization.

104943840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 104943840 is about 10244.2100720358. The cubic root of 104943840 is about 471.6852732875.

The spelling of 104943840 in words is "one hundred four million, nine hundred forty-three thousand, eight hundred forty".