28392383 has 2 divisors, whose sum is σ = 28392384. Its totient is φ = 28392382.

The previous prime is 28392361. The next prime is 28392407. The reversal of 28392383 is 38329382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28392383 - 2⁸ = 28392127 is a prime.

It is a super-3 number, since 3×28392383³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28391383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14196191 + 14196192.

It is an arithmetic number, because the mean of its divisors is an integer number (14196192).

Almost surely, 2^28392383 is an apocalyptic number.

28392383 is a deficient number, since it is larger than the sum of its proper divisors (1).

28392383 is an equidigital number, since it uses as much as digits as its factorization.

28392383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 28392383 is about 5328.4503375747. The cubic root of 28392383 is about 305.0707817449.

The spelling of 28392383 in words is "twenty-eight million, three hundred ninety-two thousand, three hundred eighty-three".