3844987 has 2 divisors, whose sum is σ = 3844988. Its totient is φ = 3844986.

The previous prime is 3844963. The next prime is 3844999. The reversal of 3844987 is 7894483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3844987 - 2¹⁵ = 3812219 is a prime.

3844987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3844927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922493 + 1922494.

It is an arithmetic number, because the mean of its divisors is an integer number (1922494).

Almost surely, 2^3844987 is an apocalyptic number.

3844987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3844987 is an equidigital number, since it uses as much as digits as its factorization.

3844987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 3844987 is about 1960.8638402500. The cubic root of 3844987 is about 156.6624660611.

The spelling of 3844987 in words is "three million, eight hundred forty-four thousand, nine hundred eighty-seven".