11904538 has 8 divisors (see below), whose sum is σ = 17975520. Its totient is φ = 5912700.

The previous prime is 11904533. The next prime is 11904553. The reversal of 11904538 is 83540911.

11904538 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 an unprimeable number, because it can be changed into a prime (11904533) 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, 19408 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (2246940).

Almost surely, 2^11904538 is an apocalyptic number.

11904538 is a deficient number, since it is larger than the sum of its proper divisors (6070982).

11904538 is a wasteful number, since it uses less digits than its factorization.

11904538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39572.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 11904538 is about 3450.2953496766. The cubic root of 11904538 is about 228.3341386774.

The spelling of 11904538 in words is "eleven million, nine hundred four thousand, five hundred thirty-eight".