328572 has 18 divisors (see below), whose sum is σ = 830648. Its totient is φ = 109512.

The previous prime is 328543. The next prime is 328579. The reversal of 328572 is 275823.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4528 + ... + 4599.

2³²⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

328572 is an abundant number, since it is smaller than the sum of its proper divisors (502076).

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

328572 is a wasteful number, since it uses less digits than its factorization.

328572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137 (or 9132 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 328572 is about 573.2120026657. The cubic root of 328572 is about 69.0044105561.

It can be divided in two parts, 328 and 572, that added together give a square (900 = 30²).

The spelling of 328572 in words is "three hundred twenty-eight thousand, five hundred seventy-two".