326456 has 32 divisors (see below), whose sum is σ = 683760. Its totient is φ = 145152.

The previous prime is 326449. The next prime is 326467. The reversal of 326456 is 654623.

It is a Harshad number since it is a multiple of its sum of digits (26).

Its product of digits (4320) is a multiple of the sum of its prime factors (135).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 4508.

2³²⁶⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341880).

326456 is an abundant number, since it is smaller than the sum of its proper divisors (357304).

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

326456 is a wasteful number, since it uses less digits than its factorization.

326456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 131 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 326456 is about 571.3632819844. The cubic root of 326456 is about 68.8559622197.

The spelling of 326456 in words is "three hundred twenty-six thousand, four hundred fifty-six".