8328740 has 48 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 2784000.

The previous prime is 8328731. The next prime is 8328743. The reversal of 8328740 is 478238.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8328697 and 8328706.

It is not an unprimeable number, because it can be changed into a prime (8328743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5015 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^8328740 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 8328740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10245312).

8328740 is an abundant number, since it is smaller than the sum of its proper divisors (12161884).

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

8328740 is a wasteful number, since it uses less digits than its factorization.

8328740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8328740 is about 2885.9556476148. The cubic root of 8328740 is about 202.7028095647.

The spelling of 8328740 in words is "eight million, three hundred twenty-eight thousand, seven hundred forty".