8036381 has 2 divisors, whose sum is σ = 8036382. Its totient is φ = 8036380.

The previous prime is 8036341. The next prime is 8036401. The reversal of 8036381 is 1836308.

8036381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 1452025 = 2566^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 8036381 - 2⁶ = 8036317 is a prime.

It is a super-2 number, since 2×8036381² = 129166839154322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8036311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4018190 + 4018191.

It is an arithmetic number, because the mean of its divisors is an integer number (4018191).

Almost surely, 2^8036381 is an apocalyptic number.

It is an amenable number.

8036381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8036381 is an equidigital number, since it uses as much as digits as its factorization.

8036381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8036381 is about 2834.8511424764. The cubic root of 8036381 is about 200.3027165822.

The spelling of 8036381 in words is "eight million, thirty-six thousand, three hundred eighty-one".