11808038 has 8 divisors (see below), whose sum is σ = 19322280. Its totient is φ = 5367280.

The previous prime is 11808031. The next prime is 11808053. The reversal of 11808038 is 83080811.

It is a happy number.

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

It is a super-2 number, since 2×11808038² = 278859522818888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11808038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 268343 + ... + 268386.

It is an arithmetic number, because the mean of its divisors is an integer number (2415285).

Almost surely, 2^11808038 is an apocalyptic number.

11808038 is a deficient number, since it is larger than the sum of its proper divisors (7514242).

11808038 is a wasteful number, since it uses less digits than its factorization.

11808038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536742.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11808038 is about 3436.2825844217. The cubic root of 11808038 is about 227.7154935968.

Adding to 11808038 its reverse (83080811), we get a palindrome (94888849).

It can be divided in two parts, 1180803 and 8, that added together give a palindrome (1180811).

The spelling of 11808038 in words is "eleven million, eight hundred eight thousand, thirty-eight".