11184889 has 2 divisors, whose sum is σ = 11184890. Its totient is φ = 11184888.

The previous prime is 11184883. The next prime is 11184941. The reversal of 11184889 is 98848111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 1525225 = 3108^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11184889 - 2⁵ = 11184857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11184883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5592444 + 5592445.

It is an arithmetic number, because the mean of its divisors is an integer number (5592445).

Almost surely, 2^11184889 is an apocalyptic number.

It is an amenable number.

11184889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11184889 is an equidigital number, since it uses as much as digits as its factorization.

11184889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 40.

The square root of 11184889 is about 3344.3817066836. The cubic root of 11184889 is about 223.6371210543.

It can be divided in two parts, 11 and 184889, that added together give a square (184900 = 430²).

The spelling of 11184889 in words is "eleven million, one hundred eighty-four thousand, eight hundred eighty-nine".