326840 has 16 divisors (see below), whose sum is σ = 735480. Its totient is φ = 130720.

The previous prime is 326831. The next prime is 326863. The reversal of 326840 is 48623.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326840.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4046 + ... + 4125.

2³²⁶⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

326840 is an abundant number, since it is smaller than the sum of its proper divisors (408640).

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

326840 is a wasteful number, since it uses less digits than its factorization.

326840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 326840 is about 571.6992216192. The cubic root of 326840 is about 68.8829493472.

The spelling of 326840 in words is "three hundred twenty-six thousand, eight hundred forty".