3893381 has 2 divisors, whose sum is σ = 3893382. Its totient is φ = 3893380.

The previous prime is 3893369. The next prime is 3893387. The reversal of 3893381 is 1833983.

3893381 is digitally balanced in base 2, 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., 3389281 + 504100 = 1841^2 + 710^2 .

It is an emirp because it is prime and its reverse (1833983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3893381 - 2⁶ = 3893317 is a prime.

It is a super-2 number, since 2×3893381² = 30316831222322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3893387) 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, 1946690 + 1946691.

It is an arithmetic number, because the mean of its divisors is an integer number (1946691).

Almost surely, 2^3893381 is an apocalyptic number.

It is an amenable number.

3893381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3893381 is an equidigital number, since it uses as much as digits as its factorization.

3893381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 3893381 is about 1973.1652236952. The cubic root of 3893381 is about 157.3169924417.

The spelling of 3893381 in words is "three million, eight hundred ninety-three thousand, three hundred eighty-one".