8841987 has 32 divisors (see below), whose sum is σ = 16335360. Its totient is φ = 4592160.

The previous prime is 8841983. The next prime is 8841991. The reversal of 8841987 is 7891488.

It is an interprime number because it is at equal distance from previous prime (8841983) and next prime (8841991).

It is not a de Polignac number, because 8841987 - 2² = 8841983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8841983) 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 in 31 ways as a sum of consecutive naturals, for example, 48 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (510480).

Almost surely, 2^8841987 is an apocalyptic number.

8841987 is a deficient number, since it is larger than the sum of its proper divisors (7493373).

8841987 is a wasteful number, since it uses less digits than its factorization.

8841987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4274 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 8841987 is about 2973.5478808992. The cubic root of 8841987 is about 206.7838533561.

The spelling of 8841987 in words is "eight million, eight hundred forty-one thousand, nine hundred eighty-seven".