326555 has 8 divisors (see below), whose sum is σ = 394944. Its totient is φ = 259200.

The previous prime is 326549. The next prime is 326561. The reversal of 326555 is 555623.

It is an interprime number because it is at equal distance from previous prime (326549) and next prime (326561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326555 - 2⁴ = 326539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (49368).

2³²⁶⁵⁵⁵ is an apocalyptic number.

326555 is a deficient number, since it is larger than the sum of its proper divisors (68389).

326555 is a wasteful number, since it uses less digits than its factorization.

326555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its digits is 4500, while the sum is 26.

The square root of 326555 is about 571.4499103159. The cubic root of 326555 is about 68.8629218623.

The spelling of 326555 in words is "three hundred twenty-six thousand, five hundred fifty-five".