326866 has 4 divisors (see below), whose sum is σ = 490302. Its totient is φ = 163432.

The previous prime is 326863. The next prime is 326867. The reversal of 326866 is 668623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 189225 + 137641 = 435^2 + 371^2 .

It is not an unprimeable number, because it can be changed into a prime (326863) 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 as a sum of consecutive naturals, namely, 81715 + ... + 81718.

2³²⁶⁸⁶⁶ is an apocalyptic number.

326866 is a deficient number, since it is larger than the sum of its proper divisors (163436).

326866 is a wasteful number, since it uses less digits than its factorization.

326866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163435.

The product of its digits is 10368, while the sum is 31.

The square root of 326866 is about 571.7219603968. The cubic root of 326866 is about 68.8847758364.

The spelling of 326866 in words is "three hundred twenty-six thousand, eight hundred sixty-six".