11609442 has 24 divisors (see below), whose sum is σ = 27089244. Its totient is φ = 3572064.

The previous prime is 11609417. The next prime is 11609449. The reversal of 11609442 is 24490611.

11609442 is a `hidden beast` number, since 11 + 609 + 4 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 3538161 = 2841^2 + 1881^2 .

It is not an unprimeable number, because it can be changed into a prime (11609449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24573 + ... + 25040.

Almost surely, 2^11609442 is an apocalyptic number.

11609442 is an abundant number, since it is smaller than the sum of its proper divisors (15479802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11609442 is a wasteful number, since it uses less digits than its factorization.

11609442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49634 (or 49631 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11609442 is about 3407.2631245620. The cubic root of 11609442 is about 226.4316417254.

The spelling of 11609442 in words is "eleven million, six hundred nine thousand, four hundred forty-two".