3820841 has 2 divisors, whose sum is σ = 3820842. Its totient is φ = 3820840.

The previous prime is 3820813. The next prime is 3820847. The reversal of 3820841 is 1480283.

3820841 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., 2310400 + 1510441 = 1520^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 3820841 - 2¹⁴ = 3804457 is a prime.

It is equal to p₂₇₁₃₈₅ and since 3820841 and 271385 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3820841.

It is not a weakly prime, because it can be changed into another prime (3820847) 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, 1910420 + 1910421.

It is an arithmetic number, because the mean of its divisors is an integer number (1910421).

Almost surely, 2^3820841 is an apocalyptic number.

It is an amenable number.

3820841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820841 is an equidigital number, since it uses as much as digits as its factorization.

3820841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3820841 is about 1954.6971632455. The cubic root of 3820841 is about 156.3338374615. Note that the first 3 decimals are identical.

The spelling of 3820841 in words is "three million, eight hundred twenty thousand, eight hundred forty-one".