328970740 has 96 divisors (see below), whose sum is σ = 840672000. Its totient is φ = 105560064.

The previous prime is 328970713. The next prime is 328970753. The reversal of 328970740 is 47079823.

It is a super-2 number, since 2×328970740² = 216443495552295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 328970693 and 328970702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659011 + ... + 659509.

It is an arithmetic number, because the mean of its divisors is an integer number (8757000).

Almost surely, 2^328970740 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 328970740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420336000).

328970740 is an abundant number, since it is smaller than the sum of its proper divisors (511701260).

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

328970740 is a wasteful number, since it uses less digits than its factorization.

328970740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 328970740 is about 18137.5505512735. The cubic root of 328970740 is about 690.3231280781.

The spelling of 328970740 in words is "three hundred twenty-eight million, nine hundred seventy thousand, seven hundred forty".