28368343 has 2 divisors, whose sum is σ = 28368344. Its totient is φ = 28368342.

The previous prime is 28368341. The next prime is 28368419. The reversal of 28368343 is 34386382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28368343 - 2¹ = 28368341 is a prime.

Together with 28368341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28368341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14184171 + 14184172.

It is an arithmetic number, because the mean of its divisors is an integer number (14184172).

Almost surely, 2^28368343 is an apocalyptic number.

28368343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28368343 is an equidigital number, since it uses as much as digits as its factorization.

28368343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The square root of 28368343 is about 5326.1940445312. The cubic root of 28368343 is about 304.9846556824.

The spelling of 28368343 in words is "twenty-eight million, three hundred sixty-eight thousand, three hundred forty-three".