28838135 has 8 divisors (see below), whose sum is σ = 34788096. Its totient is φ = 22948960.

The previous prime is 28838099. The next prime is 28838167. The reversal of 28838135 is 53183882.

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

It is not a de Polignac number, because 28838135 - 2¹⁰ = 28837111 is a prime.

It is a Duffinian number.

It is a congruent 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, 14144 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (4348512).

Almost surely, 2^28838135 is an apocalyptic number.

28838135 is a deficient number, since it is larger than the sum of its proper divisors (5949961).

28838135 is a wasteful number, since it uses less digits than its factorization.

28838135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30393.

The product of its digits is 46080, while the sum is 38.

The square root of 28838135 is about 5370.1149894579. The cubic root of 28838135 is about 306.6590059260.

The spelling of 28838135 in words is "twenty-eight million, eight hundred thirty-eight thousand, one hundred thirty-five".