8689340 has 48 divisors (see below), whose sum is σ = 20127744. Its totient is φ = 3124800.

The previous prime is 8689321. The next prime is 8689349. The reversal of 8689340 is 439868.

8689340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8689294 and 8689303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27785 + ... + 28095.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 2^8689340 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 8689340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10063872).

8689340 is an abundant number, since it is smaller than the sum of its proper divisors (11438404).

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

8689340 is a wasteful number, since it uses less digits than its factorization.

8689340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8689340 is about 2947.7686476384. The cubic root of 8689340 is about 205.5869752583.

The spelling of 8689340 in words is "eight million, six hundred eighty-nine thousand, three hundred forty".