326405232 has 60 divisors (see below), whose sum is σ = 915986760. Its totient is φ = 108503424.

The previous prime is 326405227. The next prime is 326405243. The reversal of 326405232 is 232504623.

326405232 is a `hidden beast` number, since 3 + 26 + 405 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 326405196 and 326405205.

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 11 ways as a sum of consecutive naturals, for example, 53103 + ... + 58929.

It is an arithmetic number, because the mean of its divisors is an integer number (15266446).

Almost surely, 2^326405232 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 326405232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457993380).

326405232 is an abundant number, since it is smaller than the sum of its proper divisors (589581528).

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

326405232 is a wasteful number, since it uses less digits than its factorization.

326405232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 326405232 is about 18066.6884624715. The cubic root of 326405232 is about 688.5239271291.

Adding to 326405232 its reverse (232504623), we get a palindrome (558909855).

The spelling of 326405232 in words is "three hundred twenty-six million, four hundred five thousand, two hundred thirty-two".