28883243 has 2 divisors, whose sum is σ = 28883244. Its totient is φ = 28883242.

The previous prime is 28883237. The next prime is 28883279. The reversal of 28883243 is 34238882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28883243 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28883197 and 28883206.

It is not a weakly prime, because it can be changed into another prime (28883213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14441621 + 14441622.

It is an arithmetic number, because the mean of its divisors is an integer number (14441622).

Almost surely, 2^28883243 is an apocalyptic number.

28883243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28883243 is an equidigital number, since it uses as much as digits as its factorization.

28883243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 38.

The square root of 28883243 is about 5374.3132584545. The cubic root of 28883243 is about 306.8188124737.

The spelling of 28883243 in words is "twenty-eight million, eight hundred eighty-three thousand, two hundred forty-three".