326533312 has 28 divisors (see below), whose sum is σ = 740531920. Its totient is φ = 139942656.

The previous prime is 326533309. The next prime is 326533313. The reversal of 326533312 is 213335623.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (326533313) 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 3 ways as a sum of consecutive naturals, for example, 363987 + ... + 364882.

Almost surely, 2^326533312 is an apocalyptic number.

326533312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

326533312 is an abundant number, since it is smaller than the sum of its proper divisors (413998608).

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

326533312 is an equidigital number, since it uses as much as digits as its factorization.

326533312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728888 (or 728878 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 326533312 is about 18070.2327599840. The cubic root of 326533312 is about 688.6139732883.

Adding to 326533312 its reverse (213335623), we get a palindrome (539868935).

The spelling of 326533312 in words is "three hundred twenty-six million, five hundred thirty-three thousand, three hundred twelve".