28883270 has 32 divisors (see below), whose sum is σ = 57365280. Its totient is φ = 10402560.

The previous prime is 28883243. The next prime is 28883279. The reversal of 28883270 is 7238882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28883279) 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 15 ways as a sum of consecutive naturals, for example, 2621 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (1792665).

Almost surely, 2^28883270 is an apocalyptic number.

28883270 is a deficient number, since it is larger than the sum of its proper divisors (28482010).

28883270 is a wasteful number, since it uses less digits than its factorization.

28883270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 28883270 is about 5374.3157704028. The cubic root of 28883270 is about 306.8189080783.

The spelling of 28883270 in words is "twenty-eight million, eight hundred eighty-three thousand, two hundred seventy".