28344353 has 4 divisors (see below), whose sum is σ = 29003568. Its totient is φ = 27685140.

The previous prime is 28344343. The next prime is 28344359. The reversal of 28344353 is 35344382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28344353 - 2⁶ = 28344289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28344359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329543 + ... + 329628.

It is an arithmetic number, because the mean of its divisors is an integer number (7250892).

Almost surely, 2^28344353 is an apocalyptic number.

It is an amenable number.

28344353 is a deficient number, since it is larger than the sum of its proper divisors (659215).

28344353 is an equidigital number, since it uses as much as digits as its factorization.

28344353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659214.

The product of its digits is 34560, while the sum is 32.

The square root of 28344353 is about 5323.9414910384. The cubic root of 28344353 is about 304.8986602319.

The spelling of 28344353 in words is "twenty-eight million, three hundred forty-four thousand, three hundred fifty-three".