326217216 has 240 divisors, whose sum is σ = 1023965712. Its totient is φ = 91422720.

The previous prime is 326217209. The next prime is 326217223. The reversal of 326217216 is 612712623.

It is an interprime number because it is at equal distance from previous prime (326217209) and next prime (326217223).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10523121 + ... + 10523151.

Almost surely, 2^326217216 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 326217216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511982856).

326217216 is an abundant number, since it is smaller than the sum of its proper divisors (697748496).

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

326217216 is a wasteful number, since it uses less digits than its factorization.

326217216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 66 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 326217216 is about 18061.4843243849. The cubic root of 326217216 is about 688.3917005123.

Adding to 326217216 its reverse (612712623), we get a palindrome (938929839).

The spelling of 326217216 in words is "three hundred twenty-six million, two hundred seventeen thousand, two hundred sixteen".