8381768 has 8 divisors (see below), whose sum is σ = 15715830. Its totient is φ = 4190880.

The previous prime is 8381719. The next prime is 8381777. The reversal of 8381768 is 8671838.

8381768 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5484964 + 2896804 = 2342^2 + 1702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523853 + ... + 523868.

Almost surely, 2^8381768 is an apocalyptic number.

It is an amenable number.

8381768 is a deficient number, since it is larger than the sum of its proper divisors (7334062).

8381768 is a wasteful number, since it uses less digits than its factorization.

8381768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047727 (or 1047723 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 8381768 is about 2895.1283218538. The cubic root of 8381768 is about 203.1320938903.

The spelling of 8381768 in words is "eight million, three hundred eighty-one thousand, seven hundred sixty-eight".