326438 has 12 divisors (see below), whose sum is σ = 569772. Its totient is φ = 139860.

The previous prime is 326437. The next prime is 326441. The reversal of 326438 is 834623.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3³ + 2¹⁷ + 4⁷ + 6⁴ + 3¹¹ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326437) 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 in 5 ways as a sum of consecutive naturals, for example, 1568 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (47481).

2³²⁶⁴³⁸ is an apocalyptic number.

326438 is a deficient number, since it is larger than the sum of its proper divisors (243334).

326438 is a wasteful number, since it uses less digits than its factorization.

326438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3340 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 326438 is about 571.3475299675. The cubic root of 326438 is about 68.8546966789.

The spelling of 326438 in words is "three hundred twenty-six thousand, four hundred thirty-eight".