28104318 has 24 divisors (see below), whose sum is σ = 66428856. Its totient is φ = 8516400.

The previous prime is 28104239. The next prime is 28104319. The reversal of 28104318 is 81340182.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28104291 and 28104300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28104319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70773 + ... + 71168.

It is an arithmetic number, because the mean of its divisors is an integer number (2767869).

Almost surely, 2^28104318 is an apocalyptic number.

28104318 is an abundant number, since it is smaller than the sum of its proper divisors (38324538).

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

28104318 is a wasteful number, since it uses less digits than its factorization.

28104318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141960 (or 141957 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 28104318 is about 5301.3505826346. The cubic root of 28104318 is about 304.0355380314.

The spelling of 28104318 in words is "twenty-eight million, one hundred four thousand, three hundred eighteen".