104185740 has 96 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 25857792.

The previous prime is 104185733. The next prime is 104185769. The reversal of 104185740 is 47581401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 104185698 and 104185707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66486 + ... + 68034.

It is an arithmetic number, because the mean of its divisors is an integer number (3255000).

Almost surely, 2^104185740 is an apocalyptic number.

104185740 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 104185740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240000).

104185740 is an abundant number, since it is smaller than the sum of its proper divisors (208294260).

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

104185740 is a wasteful number, since it uses less digits than its factorization.

104185740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 104185740 is about 10207.1416175147. The cubic root of 104185740 is about 470.5467305981.

The spelling of 104185740 in words is "one hundred four million, one hundred eighty-five thousand, seven hundred forty".