3784987 has 2 divisors, whose sum is σ = 3784988. Its totient is φ = 3784986.

The previous prime is 3784973. The next prime is 3785011. The reversal of 3784987 is 7894873.

3784987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3784987 - 2¹¹ = 3782939 is a prime.

It is a super-2 number, since 2×3784987² = 28652253180338, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3784927) 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, 1892493 + 1892494.

It is an arithmetic number, because the mean of its divisors is an integer number (1892494).

Almost surely, 2^3784987 is an apocalyptic number.

3784987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3784987 is an equidigital number, since it uses as much as digits as its factorization.

3784987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 3784987 is about 1945.5043048012. The cubic root of 3784987 is about 155.8432981576.

The spelling of 3784987 in words is "three million, seven hundred eighty-four thousand, nine hundred eighty-seven".