11838819 has 8 divisors (see below), whose sum is σ = 16044112. Its totient is φ = 7763040.

The previous prime is 11838793. The next prime is 11838821. The reversal of 11838819 is 91883811.

11838819 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 not a de Polignac number, because 11838819 - 2¹¹ = 11836771 is a prime.

It is a super-2 number, since 2×11838819² = 280315270629522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11838829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32164 + ... + 32529.

It is an arithmetic number, because the mean of its divisors is an integer number (2005514).

Almost surely, 2^11838819 is an apocalyptic number.

11838819 is a deficient number, since it is larger than the sum of its proper divisors (4205293).

11838819 is an equidigital number, since it uses as much as digits as its factorization.

11838819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64757.

The product of its digits is 13824, while the sum is 39.

The square root of 11838819 is about 3440.7584919607. The cubic root of 11838819 is about 227.9131902513.

The spelling of 11838819 in words is "eleven million, eight hundred thirty-eight thousand, eight hundred nineteen".