11693938 has 8 divisors (see below), whose sum is σ = 17968860. Its totient is φ = 5704320.

The previous prime is 11693933. The next prime is 11693939. The reversal of 11693938 is 83939611.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 45369 = 3413^2 + 213^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11693938.

It is not an unprimeable number, because it can be changed into a prime (11693933) 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, 71223 + ... + 71386.

Almost surely, 2^11693938 is an apocalyptic number.

11693938 is a deficient number, since it is larger than the sum of its proper divisors (6274922).

11693938 is a wasteful number, since it uses less digits than its factorization.

11693938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142652.

The product of its digits is 34992, while the sum is 40.

The square root of 11693938 is about 3419.6400395363. The cubic root of 11693938 is about 226.9796536455.

The spelling of 11693938 in words is "eleven million, six hundred ninety-three thousand, nine hundred thirty-eight".