11428843 has 4 divisors (see below), whose sum is σ = 11438280. Its totient is φ = 11419408.

The previous prime is 11428829. The next prime is 11428853. The reversal of 11428843 is 34882411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 34882411 = 67 ⋅520633.

It is a cyclic number.

It is not a de Polignac number, because 11428843 - 2⁹ = 11428331 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11428853) 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, 2578 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (2859570).

Almost surely, 2^11428843 is an apocalyptic number.

11428843 is a deficient number, since it is larger than the sum of its proper divisors (9437).

11428843 is an equidigital number, since it uses as much as digits as its factorization.

11428843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436.

The product of its digits is 6144, while the sum is 31.

The square root of 11428843 is about 3380.6571846314. The cubic root of 11428843 is about 225.2513602389.

The spelling of 11428843 in words is "eleven million, four hundred twenty-eight thousand, eight hundred forty-three".