8684340 has 192 divisors, whose sum is σ = 30965760. Its totient is φ = 1774080.

The previous prime is 8684329. The next prime is 8684341. The reversal of 8684340 is 434868.

It is a super-2 number, since 2×8684340² = 150835522471200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 280125 + ... + 280155.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

Almost surely, 2^8684340 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 8684340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15482880).

8684340 is an abundant number, since it is smaller than the sum of its proper divisors (22281420).

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

8684340 is a wasteful number, since it uses less digits than its factorization.

8684340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8684340 is about 2946.9204264791. The cubic root of 8684340 is about 205.5475348979.

The spelling of 8684340 in words is "eight million, six hundred eighty-four thousand, three hundred forty".