11340289 has 4 divisors (see below), whose sum is σ = 11347524. Its totient is φ = 11333056.

The previous prime is 11340281. The next prime is 11340293. The reversal of 11340289 is 98204311.

It is a happy number.

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 can be written as a sum of positive squares in 2 ways, for example, as 5130225 + 6210064 = 2265^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340289 - 2³ = 11340281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340281) 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, 172 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (2836881).

Almost surely, 2^11340289 is an apocalyptic number.

It is an amenable number.

11340289 is a deficient number, since it is larger than the sum of its proper divisors (7235).

11340289 is an equidigital number, since it uses as much as digits as its factorization.

11340289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11340289 is about 3367.5345581003. The cubic root of 11340289 is about 224.6680801401.

The spelling of 11340289 in words is "eleven million, three hundred forty thousand, two hundred eighty-nine".