8305668 has 72 divisors (see below), whose sum is σ = 25054848. Its totient is φ = 2268288.

The previous prime is 8305597. The next prime is 8305669. The reversal of 8305668 is 8665038.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8305669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5080 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (347984).

Almost surely, 2^8305668 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 8305668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12527424).

8305668 is an abundant number, since it is smaller than the sum of its proper divisors (16749180).

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

8305668 is a wasteful number, since it uses less digits than its factorization.

8305668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8305668 is about 2881.9555860561. The cubic root of 8305668 is about 202.5154629253.

The spelling of 8305668 in words is "eight million, three hundred five thousand, six hundred sixty-eight".