28847243 has 2 divisors, whose sum is σ = 28847244. Its totient is φ = 28847242.

The previous prime is 28847219. The next prime is 28847279. The reversal of 28847243 is 34274882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28847243 - 2¹⁰ = 28846219 is a prime.

It is equal to p_1790777 and since 28847243 and 1790777 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 28847197 and 28847206.

It is not a weakly prime, because it can be changed into another prime (28847213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14423621 + 14423622.

It is an arithmetic number, because the mean of its divisors is an integer number (14423622).

Almost surely, 2^28847243 is an apocalyptic number.

28847243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28847243 is an equidigital number, since it uses as much as digits as its factorization.

28847243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 38.

The square root of 28847243 is about 5370.9629490437. The cubic root of 28847243 is about 306.6912867495.

The spelling of 28847243 in words is "twenty-eight million, eight hundred forty-seven thousand, two hundred forty-three".