8678240 has 48 divisors (see below), whose sum is σ = 20811168. Its totient is φ = 3419136.

The previous prime is 8678237. The next prime is 8678311. The reversal of 8678240 is 428768.

It is a self number, because there is not a number n which added to its sum of digits gives 8678240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11309 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (433566).

Almost surely, 2^8678240 is an apocalyptic number.

8678240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8678240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10405584).

8678240 is an abundant number, since it is smaller than the sum of its proper divisors (12132928).

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

8678240 is a wasteful number, since it uses less digits than its factorization.

8678240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8678240 is about 2945.8852659260. The cubic root of 8678240 is about 205.4993971523.

The spelling of 8678240 in words is "eight million, six hundred seventy-eight thousand, two hundred forty".