8381118 has 16 divisors (see below), whose sum is σ = 16891776. Its totient is φ = 2772120.

The previous prime is 8381083. The next prime is 8381123. The reversal of 8381118 is 8111838.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (1055736).

Almost surely, 2^8381118 is an apocalyptic number.

8381118 is an abundant number, since it is smaller than the sum of its proper divisors (8510658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8381118 is a wasteful number, since it uses less digits than its factorization.

8381118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799.

The product of its digits is 1536, while the sum is 30.

The square root of 8381118 is about 2895.0160621316. The cubic root of 8381118 is about 203.1268428393.

The spelling of 8381118 in words is "eight million, three hundred eighty-one thousand, one hundred eighteen".