28675269 has 32 divisors (see below), whose sum is σ = 48887040. Its totient is φ = 16272576.

The previous prime is 28675261. The next prime is 28675271. The reversal of 28675269 is 96257682.

It is not a de Polignac number, because 28675269 - 2³ = 28675261 is a prime.

It is a super-2 number, since 2×28675269² = 1644542104444722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28675261) 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 31 ways as a sum of consecutive naturals, for example, 32259 + ... + 33135.

It is an arithmetic number, because the mean of its divisors is an integer number (1527720).

Almost surely, 2^28675269 is an apocalyptic number.

It is an amenable number.

28675269 is a deficient number, since it is larger than the sum of its proper divisors (20211771).

28675269 is a wasteful number, since it uses less digits than its factorization.

28675269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28675269 is about 5354.9294112995. The cubic root of 28675269 is about 306.0806208180.

The spelling of 28675269 in words is "twenty-eight million, six hundred seventy-five thousand, two hundred sixty-nine".