8381888 has 56 divisors (see below), whose sum is σ = 17952720. Its totient is φ = 3870720.

The previous prime is 8381887. The next prime is 8381903. The reversal of 8381888 is 8881838.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381881) 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, 74120 + ... + 74232.

Almost surely, 2^8381888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8381888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8976360).

8381888 is an abundant number, since it is smaller than the sum of its proper divisors (9570832).

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

8381888 is a wasteful number, since it uses less digits than its factorization.

8381888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

The product of its digits is 98304, while the sum is 44.

The square root of 8381888 is about 2895.1490462496. The cubic root of 8381888 is about 203.1330632854.

The spelling of 8381888 in words is "eight million, three hundred eighty-one thousand, eight hundred eighty-eight".