326628 has 36 divisors (see below), whose sum is σ = 848848. Its totient is φ = 105840.

The previous prime is 326617. The next prime is 326633. The reversal of 326628 is 826623.

326628 is a `hidden beast` number, since 32 + 6 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

326628 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 in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 1653.

2³²⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424424).

326628 is an abundant number, since it is smaller than the sum of its proper divisors (522220).

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

326628 is a wasteful number, since it uses less digits than its factorization.

326628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 259 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 326628 is about 571.5137793614. The cubic root of 326628 is about 68.8680528191.

The spelling of 326628 in words is "three hundred twenty-six thousand, six hundred twenty-eight".