3856141 has 2 divisors, whose sum is σ = 3856142. Its totient is φ = 3856140.

The previous prime is 3856133. The next prime is 3856147. The reversal of 3856141 is 1416583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3818116 + 38025 = 1954^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856141 - 2³ = 3856133 is a prime.

It is a Chen prime.

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

3856141 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3856147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928070 + 1928071.

It is an arithmetic number, because the mean of its divisors is an integer number (1928071).

Almost surely, 2^3856141 is an apocalyptic number.

It is an amenable number.

3856141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3856141 is an equidigital number, since it uses as much as digits as its factorization.

3856141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 3856141 is about 1963.7059352154. The cubic root of 3856141 is about 156.8138082427.

The spelling of 3856141 in words is "three million, eight hundred fifty-six thousand, one hundred forty-one".