11836442 has 4 divisors (see below), whose sum is σ = 17754666. Its totient is φ = 5918220.

The previous prime is 11836423. The next prime is 11836457. The reversal of 11836442 is 24463811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24463811 = 19 ⋅1287569.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 337561 = 3391^2 + 581^2 .

It is an unprimeable number.

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, 2959109 + ... + 2959112.

Almost surely, 2^11836442 is an apocalyptic number.

11836442 is a deficient number, since it is larger than the sum of its proper divisors (5918224).

11836442 is an equidigital number, since it uses as much as digits as its factorization.

11836442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918223.

The product of its digits is 4608, while the sum is 29.

The square root of 11836442 is about 3440.4130565965. The cubic root of 11836442 is about 227.8979357479.

The spelling of 11836442 in words is "eleven million, eight hundred thirty-six thousand, four hundred forty-two".