11938642 has 8 divisors (see below), whose sum is σ = 18392076. Its totient is φ = 5807952.

The previous prime is 11938603. The next prime is 11938643. The reversal of 11938642 is 24683911.

11938642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11909401 + 29241 = 3451^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11938598 and 11938607.

It is not an unprimeable number, because it can be changed into a prime (11938643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80593 + ... + 80740.

Almost surely, 2^11938642 is an apocalyptic number.

11938642 is a deficient number, since it is larger than the sum of its proper divisors (6453434).

11938642 is a wasteful number, since it uses less digits than its factorization.

11938642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161372.

The product of its digits is 10368, while the sum is 34.

The square root of 11938642 is about 3455.2340007588. The cubic root of 11938642 is about 228.5519739022.

The spelling of 11938642 in words is "eleven million, nine hundred thirty-eight thousand, six hundred forty-two".