326538 has 16 divisors (see below), whose sum is σ = 725760. Its totient is φ = 108828.

The previous prime is 326537. The next prime is 326539. The reversal of 326538 is 835623.

326538 is a `hidden beast` number, since 3 + 2 + 653 + 8 = 666.

326538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (326537) and next prime (326539).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (326537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2³²⁶⁵³⁸ is an apocalyptic number.

326538 is an abundant number, since it is smaller than the sum of its proper divisors (399222).

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

326538 is a wasteful number, since it uses less digits than its factorization.

326538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058 (or 6052 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 326538 is about 571.4350356777. The cubic root of 326538 is about 68.8617268722.

The spelling of 326538 in words is "three hundred twenty-six thousand, five hundred thirty-eight".