28344283 has 8 divisors (see below), whose sum is σ = 31383360. Its totient is φ = 25382280.

The previous prime is 28344271. The next prime is 28344289. The reversal of 28344283 is 38244382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-28344283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28344289) 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 in 7 ways as a sum of consecutive naturals, for example, 18493 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (3922920).

Almost surely, 2^28344283 is an apocalyptic number.

28344283 is a deficient number, since it is larger than the sum of its proper divisors (3039077).

28344283 is a wasteful number, since it uses less digits than its factorization.

28344283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38537.

The product of its digits is 36864, while the sum is 34.

The square root of 28344283 is about 5323.9349169576. The cubic root of 28344283 is about 304.8984092363.

Subtracting 28344283 from its reverse (38244382), we obtain a palindrome (9900099).

It can be divided in two parts, 2834 and 4283, that added together give a palindrome (7117).

The spelling of 28344283 in words is "twenty-eight million, three hundred forty-four thousand, two hundred eighty-three".