28344383 has 2 divisors, whose sum is σ = 28344384. Its totient is φ = 28344382.

The previous prime is 28344359. The next prime is 28344391. The reversal of 28344383 is 38344382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28344383 - 2⁶ = 28344319 is a prime.

It is equal to p_1761569 and since 28344383 and 1761569 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28344313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14172191 + 14172192.

It is an arithmetic number, because the mean of its divisors is an integer number (14172192).

Almost surely, 2^28344383 is an apocalyptic number.

28344383 is a deficient number, since it is larger than the sum of its proper divisors (1).

28344383 is an equidigital number, since it uses as much as digits as its factorization.

28344383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 28344383 is about 5323.9443084991. The cubic root of 28344383 is about 304.8987678013.

Subtracting 28344383 from its reverse (38344382), we obtain a palindrome (9999999).

The spelling of 28344383 in words is "twenty-eight million, three hundred forty-four thousand, three hundred eighty-three".