3943087 has 2 divisors, whose sum is σ = 3943088. Its totient is φ = 3943086.

The previous prime is 3943061. The next prime is 3943091. The reversal of 3943087 is 7803493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3943087 - 2¹¹ = 3941039 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3943007) 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, 1971543 + 1971544.

It is an arithmetic number, because the mean of its divisors is an integer number (1971544).

Almost surely, 2^3943087 is an apocalyptic number.

3943087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943087 is an equidigital number, since it uses as much as digits as its factorization.

3943087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3943087 is about 1985.7207759401. The cubic root of 3943087 is about 157.9836414191.

It can be divided in two parts, 394 and 3087, that added together give a square (3481 = 59²).

The spelling of 3943087 in words is "three million, nine hundred forty-three thousand, eighty-seven".