8680340 has 48 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 3219840.

The previous prime is 8680337. The next prime is 8680369. The reversal of 8680340 is 430868.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19925 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^8680340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8680340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9797760).

8680340 is an abundant number, since it is smaller than the sum of its proper divisors (10915180).

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

8680340 is a wasteful number, since it uses less digits than its factorization.

8680340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8680340 is about 2946.2416737260. The cubic root of 8680340 is about 205.5159717085.

The spelling of 8680340 in words is "eight million, six hundred eighty thousand, three hundred forty".