28828211 has 8 divisors (see below), whose sum is σ = 29499360. Its totient is φ = 28164672.

The previous prime is 28828199. The next prime is 28828213. The reversal of 28828211 is 11282882.

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 28828211 - 2⁶ = 28828147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28828213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (3687420).

Almost surely, 2^28828211 is an apocalyptic number.

28828211 is a deficient number, since it is larger than the sum of its proper divisors (671149).

28828211 is a wasteful number, since it uses less digits than its factorization.

28828211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its digits is 4096, while the sum is 32.

The square root of 28828211 is about 5369.1909073901. The cubic root of 28828211 is about 306.6238252745.

The spelling of 28828211 in words is "twenty-eight million, eight hundred twenty-eight thousand, two hundred eleven".