8373987 has 12 divisors (see below), whose sum is σ = 12143040. Its totient is φ = 5560848.

The previous prime is 8373983. The next prime is 8373991. The reversal of 8373987 is 7893738.

It is an interprime number because it is at equal distance from previous prime (8373983) and next prime (8373991).

It is not a de Polignac number, because 8373987 - 2² = 8373983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8373983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (1011920).

Almost surely, 2^8373987 is an apocalyptic number.

8373987 is a deficient number, since it is larger than the sum of its proper divisors (3769053).

8373987 is a wasteful number, since it uses less digits than its factorization.

8373987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3639 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 8373987 is about 2893.7842006618. The cubic root of 8373987 is about 203.0692169345.

Subtracting from 8373987 its reverse (7893738), we obtain a square (480249 = 693²).

The spelling of 8373987 in words is "eight million, three hundred seventy-three thousand, nine hundred eighty-seven".