8487918 has 48 divisors (see below), whose sum is σ = 19169280. Its totient is φ = 2712528.

The previous prime is 8487907. The next prime is 8487937. The reversal of 8487918 is 8197848.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 66771 + ... + 66897.

It is an arithmetic number, because the mean of its divisors is an integer number (399360).

Almost surely, 2^8487918 is an apocalyptic number.

8487918 is an abundant number, since it is smaller than the sum of its proper divisors (10681362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8487918 is a wasteful number, since it uses less digits than its factorization.

8487918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 258 counting only the distinct ones).

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

The square root of 8487918 is about 2913.4031646856. The cubic root of 8487918 is about 203.9860140354.

The spelling of 8487918 in words is "eight million, four hundred eighty-seven thousand, nine hundred eighteen".