28855351 has 8 divisors (see below), whose sum is σ = 33219360. Its totient is φ = 24551808.

The previous prime is 28855297. The next prime is 28855381. The reversal of 28855351 is 15355882.

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 28855351 - 2⁷ = 28855223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28855351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28855381) by changing a digit.

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, 14086 + ... + 16003.

It is an arithmetic number, because the mean of its divisors is an integer number (4152420).

Almost surely, 2^28855351 is an apocalyptic number.

28855351 is a deficient number, since it is larger than the sum of its proper divisors (4364009).

28855351 is a wasteful number, since it uses less digits than its factorization.

28855351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233.

The product of its digits is 48000, while the sum is 37.

The square root of 28855351 is about 5371.7176954862. The cubic root of 28855351 is about 306.7200176293.

The spelling of 28855351 in words is "twenty-eight million, eight hundred fifty-five thousand, three hundred fifty-one".