328772 has 6 divisors (see below), whose sum is σ = 575358. Its totient is φ = 164384.

The previous prime is 328753. The next prime is 328777. The reversal of 328772 is 277823.

It can be written as a sum of positive squares in only one way, i.e., 179776 + 148996 = 424^2 + 386^2 .

It is not an unprimeable number, because it can be changed into a prime (328777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41093 + ... + 41100.

It is an arithmetic number, because the mean of its divisors is an integer number (95893).

2³²⁸⁷⁷² is an apocalyptic number.

It is an amenable number.

328772 is a deficient number, since it is larger than the sum of its proper divisors (246586).

328772 is a wasteful number, since it uses less digits than its factorization.

328772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82197 (or 82195 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 328772 is about 573.3864316497. The cubic root of 328772 is about 69.0184085869.

The spelling of 328772 in words is "three hundred twenty-eight thousand, seven hundred seventy-two".