8396381 has 8 divisors (see below), whose sum is σ = 9905664. Its totient is φ = 6964560.

The previous prime is 8396371. The next prime is 8396383. The reversal of 8396381 is 1836938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8396381 - 2¹⁰ = 8395357 is a prime.

It is a super-2 number, since 2×8396381² = 140998427794322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8396383) 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, 19130 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (1238208).

Almost surely, 2^8396381 is an apocalyptic number.

It is an amenable number.

8396381 is a deficient number, since it is larger than the sum of its proper divisors (1509283).

8396381 is a wasteful number, since it uses less digits than its factorization.

8396381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38731.

The product of its digits is 31104, while the sum is 38.

The square root of 8396381 is about 2897.6509451623. The cubic root of 8396381 is about 203.2500740075.

The spelling of 8396381 in words is "eight million, three hundred ninety-six thousand, three hundred eighty-one".