28108353 has 32 divisors (see below), whose sum is σ = 48563200. Its totient is φ = 14043456.

The previous prime is 28108343. The next prime is 28108393. The reversal of 28108353 is 35380182.

It is a happy number.

It is not a de Polignac number, because 28108353 - 2⁵ = 28108321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28108353.

It is not an unprimeable number, because it can be changed into a prime (28108313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2478 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (1517600).

Almost surely, 2^28108353 is an apocalyptic number.

It is an amenable number.

28108353 is a deficient number, since it is larger than the sum of its proper divisors (20454847).

28108353 is a wasteful number, since it uses less digits than its factorization.

28108353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28108353 is about 5301.7311323755. The cubic root of 28108353 is about 304.0500876900.

The spelling of 28108353 in words is "twenty-eight million, one hundred eight thousand, three hundred fifty-three".