328718736 has 120 divisors (see below), whose sum is σ = 970875360. Its totient is φ = 107640576.

The previous prime is 328718723. The next prime is 328718743. The reversal of 328718736 is 637817823.

328718736 is digitally balanced in base 3, 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 = 328718691 and 328718700.

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, 228676 + ... + 230108.

It is an arithmetic number, because the mean of its divisors is an integer number (8090628).

Almost surely, 2^328718736 is an apocalyptic number.

328718736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328718736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485437680).

328718736 is an abundant number, since it is smaller than the sum of its proper divisors (642156624).

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

328718736 is a wasteful number, since it uses less digits than its factorization.

328718736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1497 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 328718736 is about 18130.6021962868. The cubic root of 328718736 is about 690.1468118607.

The spelling of 328718736 in words is "three hundred twenty-eight million, seven hundred eighteen thousand, seven hundred thirty-six".