3785143 has 2 divisors, whose sum is σ = 3785144. Its totient is φ = 3785142.

The previous prime is 3785083. The next prime is 3785149. The reversal of 3785143 is 3415873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3785143 - 2⁹ = 3784631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3785149) 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, 1892571 + 1892572.

It is an arithmetic number, because the mean of its divisors is an integer number (1892572).

Almost surely, 2^3785143 is an apocalyptic number.

3785143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3785143 is an equidigital number, since it uses as much as digits as its factorization.

3785143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 3785143 is about 1945.5443968206. The cubic root of 3785143 is about 155.8454391795.

The spelling of 3785143 in words is "three million, seven hundred eighty-five thousand, one hundred forty-three".