328132780 has 12 divisors (see below), whose sum is σ = 689078880. Its totient is φ = 131253104.

The previous prime is 328132771. The next prime is 328132801. The reversal of 328132780 is 87231823.

It is a super-2 number, since 2×328132780² = 215342242621056800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8203300 + ... + 8203339.

It is an arithmetic number, because the mean of its divisors is an integer number (57423240).

Almost surely, 2^328132780 is an apocalyptic number.

It is an amenable number.

328132780 is an abundant number, since it is smaller than the sum of its proper divisors (360946100).

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

328132780 is a wasteful number, since it uses less digits than its factorization.

328132780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406648 (or 16406646 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 328132780 is about 18114.4356798659. The cubic root of 328132780 is about 689.7364953360.

The spelling of 328132780 in words is "three hundred twenty-eight million, one hundred thirty-two thousand, seven hundred eighty".