3821317 has 2 divisors, whose sum is σ = 3821318. Its totient is φ = 3821316.

The previous prime is 3821273. The next prime is 3821327. The reversal of 3821317 is 7131283.

3821317 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., 2461761 + 1359556 = 1569^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821317 - 2¹¹ = 3819269 is a prime.

It is a super-2 number, since 2×3821317² = 29204927228978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3821291 and 3821300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3821327) 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, 1910658 + 1910659.

It is an arithmetic number, because the mean of its divisors is an integer number (1910659).

Almost surely, 2^3821317 is an apocalyptic number.

It is an amenable number.

3821317 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821317 is an equidigital number, since it uses as much as digits as its factorization.

3821317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 3821317 is about 1954.8189174448. The cubic root of 3821317 is about 156.3403292100.

The spelling of 3821317 in words is "three million, eight hundred twenty-one thousand, three hundred seventeen".