28849343 has 2 divisors, whose sum is σ = 28849344. Its totient is φ = 28849342.

The previous prime is 28849339. The next prime is 28849349. The reversal of 28849343 is 34394882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28849343 - 2² = 28849339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28849343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28849349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14424671 + 14424672.

It is an arithmetic number, because the mean of its divisors is an integer number (14424672).

Almost surely, 2^28849343 is an apocalyptic number.

28849343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28849343 is an equidigital number, since it uses as much as digits as its factorization.

28849343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 28849343 is about 5371.1584411559. The cubic root of 28849343 is about 306.6987286631.

It can be divided in two parts, 28849 and 343, that added together give a palindrome (29192).

The spelling of 28849343 in words is "twenty-eight million, eight hundred forty-nine thousand, three hundred forty-three".