11604442 has 4 divisors (see below), whose sum is σ = 17406666. Its totient is φ = 5802220.

The previous prime is 11604431. The next prime is 11604449. The reversal of 11604442 is 24440611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8649481 + 2954961 = 2941^2 + 1719^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11604449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2901109 + ... + 2901112.

Almost surely, 2^11604442 is an apocalyptic number.

11604442 is a deficient number, since it is larger than the sum of its proper divisors (5802224).

11604442 is an equidigital number, since it uses as much as digits as its factorization.

11604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802223.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 11604442 is about 3406.5293188229. The cubic root of 11604442 is about 226.3991302351.

The spelling of 11604442 in words is "eleven million, six hundred four thousand, four hundred forty-two".