326818 has 4 divisors (see below), whose sum is σ = 490230. Its totient is φ = 163408.

The previous prime is 326779. The next prime is 326831. The reversal of 326818 is 818623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 818623 = 13 ⋅62971.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 5329 = 567^2 + 73^2 .

It is an unprimeable number.

326818 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, 81703 + ... + 81706.

2³²⁶⁸¹⁸ is an apocalyptic number.

326818 is a deficient number, since it is larger than the sum of its proper divisors (163412).

326818 is a wasteful number, since it uses less digits than its factorization.

326818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163411.

The product of its digits is 2304, while the sum is 28.

The square root of 326818 is about 571.6799804086. The cubic root of 326818 is about 68.8814037807.

The spelling of 326818 in words is "three hundred twenty-six thousand, eight hundred eighteen".