11289843 has 6 divisors (see below), whose sum is σ = 16307564. Its totient is φ = 7526556.

The previous prime is 11289841. The next prime is 11289851. The reversal of 11289843 is 34898211.

11289843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11289843 - 2¹ = 11289841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11289798 and 11289807.

It is not an unprimeable number, because it can be changed into a prime (11289841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627205 + ... + 627222.

Almost surely, 2^11289843 is an apocalyptic number.

11289843 is a deficient number, since it is larger than the sum of its proper divisors (5017721).

11289843 is a wasteful number, since it uses less digits than its factorization.

11289843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254433 (or 1254430 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11289843 is about 3360.0361605197. The cubic root of 11289843 is about 224.3344480475.

The spelling of 11289843 in words is "eleven million, two hundred eighty-nine thousand, eight hundred forty-three".