11938138 has 8 divisors (see below), whose sum is σ = 17924832. Its totient is φ = 5963196.

The previous prime is 11938109. The next prime is 11938151. The reversal of 11938138 is 83183911.

It is a happy number.

11938138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331 + ... + 4897.

It is an arithmetic number, because the mean of its divisors is an integer number (2240604).

Almost surely, 2^11938138 is an apocalyptic number.

11938138 is a deficient number, since it is larger than the sum of its proper divisors (5986694).

11938138 is a wasteful number, since it uses less digits than its factorization.

11938138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876.

The product of its digits is 5184, while the sum is 34.

The square root of 11938138 is about 3455.1610671574. The cubic root of 11938138 is about 228.5487576845.

The spelling of 11938138 in words is "eleven million, nine hundred thirty-eight thousand, one hundred thirty-eight".