8003987 has 2 divisors, whose sum is σ = 8003988. Its totient is φ = 8003986.

The previous prime is 8003981. The next prime is 8004011. The reversal of 8003987 is 7893008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8003987 - 2²⁰ = 6955411 is a prime.

It is not a weakly prime, because it can be changed into another prime (8003981) 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, 4001993 + 4001994.

It is an arithmetic number, because the mean of its divisors is an integer number (4001994).

Almost surely, 2^8003987 is an apocalyptic number.

8003987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8003987 is an equidigital number, since it uses as much as digits as its factorization.

8003987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8003987 is about 2829.1318456375. The cubic root of 8003987 is about 200.0332194820.

The spelling of 8003987 in words is "eight million, three thousand, nine hundred eighty-seven".