28755343 has 4 divisors (see below), whose sum is σ = 28766088. Its totient is φ = 28744600.

The previous prime is 28755329. The next prime is 28755373. The reversal of 28755343 is 34355782.

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 a de Polignac number, because none of the positive numbers 2^k-28755343 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 (28755323) 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, 2205 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (7191522).

Almost surely, 2^28755343 is an apocalyptic number.

28755343 is a deficient number, since it is larger than the sum of its proper divisors (10745).

28755343 is an equidigital number, since it uses as much as digits as its factorization.

28755343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10744.

The product of its digits is 100800, while the sum is 37.

The square root of 28755343 is about 5362.4008615545. The cubic root of 28755343 is about 306.3652600722.

The spelling of 28755343 in words is "twenty-eight million, seven hundred fifty-five thousand, three hundred forty-three".