328564 has 6 divisors (see below), whose sum is σ = 574994. Its totient is φ = 164280.

The previous prime is 328543. The next prime is 328579. The reversal of 328564 is 465823.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 116964 = 460^2 + 342^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 3³ + 2¹⁸ + 5⁶ + 8⁴ + 6⁶ + 4² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41067 + ... + 41074.

2³²⁸⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

328564 is a deficient number, since it is larger than the sum of its proper divisors (246430).

328564 is a wasteful number, since it uses less digits than its factorization.

328564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82145 (or 82143 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 328564 is about 573.2050244023. The cubic root of 328564 is about 69.0038505168.

The spelling of 328564 in words is "three hundred twenty-eight thousand, five hundred sixty-four".