326620 has 24 divisors (see below), whose sum is σ = 784224. Its totient is φ = 111936.

The previous prime is 326617. The next prime is 326633. The reversal of 326620 is 26623.

326620 = 213² + 214² + ... + 219².

It is a zygodrome in base 6.

It is a congruent 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, 1027 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (32676).

2³²⁶⁶²⁰ is an apocalyptic number.

It is an amenable number.

326620 is an abundant number, since it is smaller than the sum of its proper divisors (457604).

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

326620 is a wasteful number, since it uses less digits than its factorization.

326620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 326620 is about 571.5067803622. The cubic root of 326620 is about 68.8674905598.

It can be divided in two parts, 326 and 620, that added together give a triangular number (946 = T₄₃).

The spelling of 326620 in words is "three hundred twenty-six thousand, six hundred twenty".