104391728 has 40 divisors (see below), whose sum is σ = 231726240. Its totient is φ = 44628480.

The previous prime is 104391649. The next prime is 104391731. The reversal of 104391728 is 827193401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57458 + ... + 59246.

It is an arithmetic number, because the mean of its divisors is an integer number (5793156).

Almost surely, 2^104391728 is an apocalyptic number.

It is an amenable number.

104391728 is an abundant number, since it is smaller than the sum of its proper divisors (127334512).

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

104391728 is a wasteful number, since it uses less digits than its factorization.

104391728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 104391728 is about 10217.2270210659. The cubic root of 104391728 is about 470.8566360009.

It can be divided in two parts, 10439 and 1728, that added together give a cube (12167 = 23³).

The spelling of 104391728 in words is "one hundred four million, three hundred ninety-one thousand, seven hundred twenty-eight".