328309480 has 32 divisors (see below), whose sum is σ = 741783240. Its totient is φ = 130775040.

The previous prime is 328309477. The next prime is 328309483. The reversal of 328309480 is 84903823.

It is an interprime number because it is at equal distance from previous prime (328309477) and next prime (328309483).

It can be written as a sum of positive squares in 4 ways, for example, as 322346116 + 5963364 = 17954^2 + 2442^2 .

It is a super-2 number, since 2×328309480² = 215574229315740800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (328309483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7389 + ... + 26668.

Almost surely, 2^328309480 is an apocalyptic number.

It is an amenable number.

328309480 is an abundant number, since it is smaller than the sum of its proper divisors (413473760).

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

328309480 is a wasteful number, since it uses less digits than its factorization.

328309480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34309 (or 34305 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 328309480 is about 18119.3123489828. The cubic root of 328309480 is about 689.8602811689.

The spelling of 328309480 in words is "three hundred twenty-eight million, three hundred nine thousand, four hundred eighty".