8382381 has 24 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 4741632.

The previous prime is 8382379. The next prime is 8382389. The reversal of 8382381 is 1832838.

It is not a de Polignac number, because 8382381 - 2¹ = 8382379 is a prime.

It is a super-2 number, since 2×8382381² = 140528622458322, which contains 22 as substring.

8382381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8382389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18445 + ... + 18893.

It is an arithmetic number, because the mean of its divisors is an integer number (547200).

Almost surely, 2^8382381 is an apocalyptic number.

It is an amenable number.

8382381 is a deficient number, since it is larger than the sum of its proper divisors (4750419).

8382381 is a wasteful number, since it uses less digits than its factorization.

8382381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 586 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 8382381 is about 2895.2341874190. The cubic root of 8382381 is about 203.1370457866.

The spelling of 8382381 in words is "eight million, three hundred eighty-two thousand, three hundred eighty-one".