28883249 has 8 divisors (see below), whose sum is σ = 30494880. Its totient is φ = 27356580.

The previous prime is 28883243. The next prime is 28883279. The reversal of 28883249 is 94238882.

It is not a de Polignac number, because 28883249 - 2⁴ = 28883233 is a prime.

It is a Duffinian number.

28883249 is a modest number, since divided by 3249 gives 2888 as remainder.

It is not an unprimeable number, because it can be changed into a prime (28883243) 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 7 ways as a sum of consecutive naturals, for example, 4754 + ... + 8964.

It is an arithmetic number, because the mean of its divisors is an integer number (3811860).

Almost surely, 2^28883249 is an apocalyptic number.

It is an amenable number.

28883249 is a deficient number, since it is larger than the sum of its proper divisors (1611631).

28883249 is an frugal number, since it uses more digits than its factorization.

28883249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268 (or 4230 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 28883249 is about 5374.3138166653. The cubic root of 28883249 is about 306.8188337192.

The spelling of 28883249 in words is "twenty-eight million, eight hundred eighty-three thousand, two hundred forty-nine".