104191940 has 24 divisors (see below), whose sum is σ = 219045120. Its totient is φ = 41630688.

The previous prime is 104191931. The next prime is 104191949. The reversal of 104191940 is 49191401.

It is an interprime number because it is at equal distance from previous prime (104191931) and next prime (104191949).

It is not an unprimeable number, because it can be changed into a prime (104191949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20141 + ... + 24779.

It is an arithmetic number, because the mean of its divisors is an integer number (9126880).

Almost surely, 2^104191940 is an apocalyptic number.

104191940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104191940 is an abundant number, since it is smaller than the sum of its proper divisors (114853180).

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

104191940 is a wasteful number, since it uses less digits than its factorization.

104191940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 104191940 is about 10207.4453219207. The cubic root of 104191940 is about 470.5560643510.

The spelling of 104191940 in words is "one hundred four million, one hundred ninety-one thousand, nine hundred forty".