11838387 has 32 divisors (see below), whose sum is σ = 18432000. Its totient is φ = 6683040.

The previous prime is 11838383. The next prime is 11838389. The reversal of 11838387 is 78383811.

It is not a de Polignac number, because 11838387 - 2² = 11838383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11838383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49414 + ... + 49652.

It is an arithmetic number, because the mean of its divisors is an integer number (576000).

Almost surely, 2^11838387 is an apocalyptic number.

11838387 is a deficient number, since it is larger than the sum of its proper divisors (6593613).

11838387 is a wasteful number, since it uses less digits than its factorization.

11838387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its digits is 32256, while the sum is 39.

The square root of 11838387 is about 3440.6957145322. The cubic root of 11838387 is about 227.9104180239.

The spelling of 11838387 in words is "eleven million, eight hundred thirty-eight thousand, three hundred eighty-seven".