326528 has 16 divisors (see below), whose sum is σ = 650760. Its totient is φ = 163200.

The previous prime is 326503. The next prime is 326537. The reversal of 326528 is 825623.

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 326497 and 326506.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326528.

It is an unprimeable number.

326528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148 + ... + 1403.

2³²⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

326528 is a deficient number, since it is larger than the sum of its proper divisors (324232).

326528 is an equidigital number, since it uses as much as digits as its factorization.

326528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2553 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 326528 is about 571.4262857097. The cubic root of 326528 is about 68.8610239175.

The spelling of 326528 in words is "three hundred twenty-six thousand, five hundred twenty-eight".