3838381 has 2 divisors, whose sum is σ = 3838382. Its totient is φ = 3838380.

The previous prime is 3838333. The next prime is 3838391. The reversal of 3838381 is 1838383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 285156 = 1885^2 + 534^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838381 - 2⁷ = 3838253 is a prime.

It is a super-2 number, since 2×3838381² = 29466337402322, which contains 22 as substring.

It is an Ulam number.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3838391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919190 + 1919191.

It is an arithmetic number, because the mean of its divisors is an integer number (1919191).

Almost surely, 2^3838381 is an apocalyptic number.

It is an amenable number.

3838381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838381 is an equidigital number, since it uses as much as digits as its factorization.

3838381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 3838381 is about 1959.1786544366. The cubic root of 3838381 is about 156.5726950159.

The spelling of 3838381 in words is "three million, eight hundred thirty-eight thousand, three hundred eighty-one".