11642442 has 32 divisors (see below), whose sum is σ = 27264384. Its totient is φ = 3244800.

The previous prime is 11642429. The next prime is 11642443. The reversal of 11642442 is 24424611.

11642442 = T₄₃ + T₄₄ + ... + T₄₁₁.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11642443) 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 in 15 ways as a sum of consecutive naturals, for example, 1659 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (852012).

Almost surely, 2^11642442 is an apocalyptic number.

11642442 is an abundant number, since it is smaller than the sum of its proper divisors (15621942).

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

11642442 is a wasteful number, since it uses less digits than its factorization.

11642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814.

The product of its digits is 1536, while the sum is 24.

The square root of 11642442 is about 3412.1022845161. The cubic root of 11642442 is about 226.6459837914.

The spelling of 11642442 in words is "eleven million, six hundred forty-two thousand, four hundred forty-two".