28843135 has 8 divisors (see below), whose sum is σ = 36647856. Its totient is φ = 21717120.

The previous prime is 28843117. The next prime is 28843151. The reversal of 28843135 is 53134882.

It is a happy number.

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

It is not a de Polignac number, because 28843135 - 2⁹ = 28842623 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 28843135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169581 + ... + 169750.

It is an arithmetic number, because the mean of its divisors is an integer number (4580982).

Almost surely, 2^28843135 is an apocalyptic number.

28843135 is a deficient number, since it is larger than the sum of its proper divisors (7804721).

28843135 is a wasteful number, since it uses less digits than its factorization.

28843135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339353.

The product of its digits is 23040, while the sum is 34.

The square root of 28843135 is about 5370.5805086601. The cubic root of 28843135 is about 306.6767279045.

The spelling of 28843135 in words is "twenty-eight million, eight hundred forty-three thousand, one hundred thirty-five".