3851291 has 2 divisors, whose sum is σ = 3851292. Its totient is φ = 3851290.

The previous prime is 3851279. The next prime is 3851303. The reversal of 3851291 is 1921583.

3851291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3851279) and next prime (3851303).

It is a cyclic number.

It is not a de Polignac number, because 3851291 - 2¹⁰ = 3850267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3841291) 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, 1925645 + 1925646.

It is an arithmetic number, because the mean of its divisors is an integer number (1925646).

Almost surely, 2^3851291 is an apocalyptic number.

3851291 is a deficient number, since it is larger than the sum of its proper divisors (1).

3851291 is an equidigital number, since it uses as much as digits as its factorization.

3851291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 3851291 is about 1962.4706367230. The cubic root of 3851291 is about 156.7480373033.

The spelling of 3851291 in words is "three million, eight hundred fifty-one thousand, two hundred ninety-one".