11938842 has 12 divisors (see below), whose sum is σ = 25867530. Its totient is φ = 3979608.

The previous prime is 11938793. The next prime is 11938853. The reversal of 11938842 is 24883911.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 385641 = 3399^2 + 621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11938797 and 11938806.

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 in 5 ways as a sum of consecutive naturals, for example, 331617 + ... + 331652.

Almost surely, 2^11938842 is an apocalyptic number.

11938842 is an abundant number, since it is smaller than the sum of its proper divisors (13928688).

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

11938842 is a wasteful number, since it uses less digits than its factorization.

11938842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663277 (or 663274 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11938842 is about 3455.2629422375. The cubic root of 11938842 is about 228.5532501540.

The spelling of 11938842 in words is "eleven million, nine hundred thirty-eight thousand, eight hundred forty-two".