326536 has 40 divisors (see below), whose sum is σ = 756270. Its totient is φ = 131712.

The previous prime is 326503. The next prime is 326537. The reversal of 326536 is 635623.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 86436 = 490^2 + 294^2 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 326536.

It is a congruent number.

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

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19200 + ... + 19216.

2³²⁶⁵³⁶ 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 326536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378135).

326536 is an abundant number, since it is smaller than the sum of its proper divisors (429734).

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

326536 is an equidigital number, since it uses as much as digits as its factorization.

326536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 26 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 326536 is about 571.4332856948. The cubic root of 326536 is about 68.8615862824.

The spelling of 326536 in words is "three hundred twenty-six thousand, five hundred thirty-six".