28855355 has 8 divisors (see below), whose sum is σ = 34675152. Its totient is φ = 23051808.

The previous prime is 28855297. The next prime is 28855381. The reversal of 28855355 is 55355882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28855355 - 2⁶ = 28855291 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 269 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (4334394).

Almost surely, 2^28855355 is an apocalyptic number.

28855355 is a deficient number, since it is larger than the sum of its proper divisors (5819797).

28855355 is an equidigital number, since it uses as much as digits as its factorization.

28855355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125.

The product of its digits is 240000, while the sum is 41.

The square root of 28855355 is about 5371.7180678066. The cubic root of 28855355 is about 306.7200318021.

The spelling of 28855355 in words is "twenty-eight million, eight hundred fifty-five thousand, three hundred fifty-five".