28384063 has 4 divisors (see below), whose sum is σ = 28396168. Its totient is φ = 28371960.

The previous prime is 28384049. The next prime is 28384123. The reversal of 28384063 is 36048382.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28384063 - 2¹³ = 28375871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28381063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281 + ... + 7642.

It is an arithmetic number, because the mean of its divisors is an integer number (7099042).

Almost surely, 2^28384063 is an apocalyptic number.

28384063 is a deficient number, since it is larger than the sum of its proper divisors (12105).

28384063 is an equidigital number, since it uses as much as digits as its factorization.

28384063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 28384063 is about 5327.6695655793. The cubic root of 28384063 is about 305.0409798919.

The spelling of 28384063 in words is "twenty-eight million, three hundred eighty-four thousand, sixty-three".