3857543 has 2 divisors, whose sum is σ = 3857544. Its totient is φ = 3857542.

The previous prime is 3857531. The next prime is 3857549. The reversal of 3857543 is 3457583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3857543 - 2¹⁰ = 3856519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3857549) 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, 1928771 + 1928772.

It is an arithmetic number, because the mean of its divisors is an integer number (1928772).

Almost surely, 2^3857543 is an apocalyptic number.

3857543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3857543 is an equidigital number, since it uses as much as digits as its factorization.

3857543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 3857543 is about 1964.0628808671. The cubic root of 3857543 is about 156.8328105147.

The spelling of 3857543 in words is "three million, eight hundred fifty-seven thousand, five hundred forty-three".