11604289 has 4 divisors (see below), whose sum is σ = 11717056. Its totient is φ = 11491524.

The previous prime is 11604283. The next prime is 11604301. The reversal of 11604289 is 98240611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11604289 - 2⁷ = 11604161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11604289.

It is not an unprimeable number, because it can be changed into a prime (11604283) 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, 56229 + ... + 56434.

It is an arithmetic number, because the mean of its divisors is an integer number (2929264).

Almost surely, 2^11604289 is an apocalyptic number.

It is an amenable number.

11604289 is a deficient number, since it is larger than the sum of its proper divisors (112767).

11604289 is a wasteful number, since it uses less digits than its factorization.

11604289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112766.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 11604289 is about 3406.5068618748. The cubic root of 11604289 is about 226.3981352363.

The spelling of 11604289 in words is "eleven million, six hundred four thousand, two hundred eighty-nine".