8323728 has 60 divisors (see below), whose sum is σ = 25020720. Its totient is φ = 2377536.

The previous prime is 8323681. The next prime is 8323741. The reversal of 8323728 is 8273238.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (417012).

Almost surely, 2^8323728 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 8323728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12510360).

8323728 is an abundant number, since it is smaller than the sum of its proper divisors (16696992).

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

8323728 is a wasteful number, since it uses less digits than its factorization.

8323728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3551 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 8323728 is about 2885.0871737263. The cubic root of 8323728 is about 202.6621411347.

It can be divided in two parts, 832 and 3728, that added together give a triangular number (4560 = T₉₅).

The spelling of 8323728 in words is "eight million, three hundred twenty-three thousand, seven hundred twenty-eight".