11938442 has 4 divisors (see below), whose sum is σ = 17907666. Its totient is φ = 5969220.

The previous prime is 11938439. The next prime is 11938453. The reversal of 11938442 is 24483911.

It is a happy number.

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., 11162281 + 776161 = 3341^2 + 881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11938399 and 11938408.

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, 2984609 + ... + 2984612.

Almost surely, 2^11938442 is an apocalyptic number.

11938442 is a deficient number, since it is larger than the sum of its proper divisors (5969224).

11938442 is an equidigital number, since it uses as much as digits as its factorization.

11938442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969223.

The product of its digits is 6912, while the sum is 32.

The square root of 11938442 is about 3455.2050590377. The cubic root of 11938442 is about 228.5506976362.

The spelling of 11938442 in words is "eleven million, nine hundred thirty-eight thousand, four hundred forty-two".