104028 has 12 divisors (see below), whose sum is σ = 242760. Its totient is φ = 34672.

The previous prime is 104021. The next prime is 104033. The reversal of 104028 is 820401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 103998 and 104016.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 104028.

It is not an unprimeable number, because it can be changed into a prime (104021) by changing a digit.

104028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (20230).

2¹⁰⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

104028 is an abundant number, since it is smaller than the sum of its proper divisors (138732).

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

104028 is a wasteful number, since it uses less digits than its factorization.

104028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676 (or 8674 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 104028 is about 322.5337191675. The cubic root of 104028 is about 47.0309137200.

Adding to 104028 its reverse (820401), we get a palindrome (924429).

The spelling of 104028 in words is "one hundred four thousand, twenty-eight".