326256312 has 64 divisors (see below), whose sum is σ = 837216000. Its totient is φ = 105910784.

The previous prime is 326256283. The next prime is 326256323. The reversal of 326256312 is 213652623.

It is a super-2 number, since 2×326256312² = 212886362239682688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 326256312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158989 + ... + 161027.

It is an arithmetic number, because the mean of its divisors is an integer number (13081500).

Almost surely, 2^326256312 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 326256312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418608000).

326256312 is an abundant number, since it is smaller than the sum of its proper divisors (510959688).

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

326256312 is a wasteful number, since it uses less digits than its factorization.

326256312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2216 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 326256312 is about 18062.5665950329. The cubic root of 326256312 is about 688.4191998650.

The spelling of 326256312 in words is "three hundred twenty-six million, two hundred fifty-six thousand, three hundred twelve".