8381894 has 16 divisors (see below), whose sum is σ = 12882240. Its totient is φ = 4089000.

The previous prime is 8381887. The next prime is 8381903. The reversal of 8381894 is 4981838.

It is a super-2 number, since 2×8381894² = 140512294054472, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29477 + ... + 29759.

It is an arithmetic number, because the mean of its divisors is an integer number (805140).

Almost surely, 2^8381894 is an apocalyptic number.

8381894 is a deficient number, since it is larger than the sum of its proper divisors (4500346).

8381894 is a wasteful number, since it uses less digits than its factorization.

8381894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its digits is 55296, while the sum is 41.

The square root of 8381894 is about 2895.1500824655. The cubic root of 8381894 is about 203.1331117549.

The spelling of 8381894 in words is "eight million, three hundred eighty-one thousand, eight hundred ninety-four".