8104381 has 2 divisors, whose sum is σ = 8104382. Its totient is φ = 8104380.

The previous prime is 8104363. The next prime is 8104403. The reversal of 8104381 is 1834018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 95481 = 2830^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 8104381 - 2¹³ = 8096189 is a prime.

It is a super-2 number, since 2×8104381² = 131361982786322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8104301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4052190 + 4052191.

It is an arithmetic number, because the mean of its divisors is an integer number (4052191).

Almost surely, 2^8104381 is an apocalyptic number.

It is an amenable number.

8104381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8104381 is an equidigital number, since it uses as much as digits as its factorization.

8104381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8104381 is about 2846.8194533549. The cubic root of 8104381 is about 200.8660857304.

Adding to 8104381 its reverse (1834018), we get a palindrome (9938399).

The spelling of 8104381 in words is "eight million, one hundred four thousand, three hundred eighty-one".