104239928 has 64 divisors (see below), whose sum is σ = 224985600. Its totient is φ = 44876160.

The previous prime is 104239913. The next prime is 104239931. The reversal of 104239928 is 829932401.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 104239891 and 104239900.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 139925 + ... + 140667.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 2^104239928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104239928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112492800).

104239928 is an abundant number, since it is smaller than the sum of its proper divisors (120745672).

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

104239928 is a wasteful number, since it uses less digits than its factorization.

104239928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 104239928 is about 10209.7956884553. The cubic root of 104239928 is about 470.6282950775.

The spelling of 104239928 in words is "one hundred four million, two hundred thirty-nine thousand, nine hundred twenty-eight".