8321768 has 96 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 3104640.

The previous prime is 8321743. The next prime is 8321779. The reversal of 8321768 is 8671238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117173 + ... + 117243.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^8321768 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 8321768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10342080).

8321768 is an abundant number, since it is smaller than the sum of its proper divisors (12362392).

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

8321768 is a wasteful number, since it uses less digits than its factorization.

8321768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 116 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 8321768 is about 2884.7474759500. The cubic root of 8321768 is about 202.6462328390.

The spelling of 8321768 in words is "eight million, three hundred twenty-one thousand, seven hundred sixty-eight".