326517216 has 24 divisors (see below), whose sum is σ = 857107944. Its totient is φ = 108839040.

The previous prime is 326517211. The next prime is 326517227. The reversal of 326517216 is 612715623.

326517216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×326517216² = 213226984688781312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326517211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1700515 + ... + 1700706.

It is an arithmetic number, because the mean of its divisors is an integer number (35712831).

Almost surely, 2^326517216 is an apocalyptic number.

It is an amenable number.

326517216 is an abundant number, since it is smaller than the sum of its proper divisors (530590728).

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

326517216 is a wasteful number, since it uses less digits than its factorization.

326517216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401234 (or 3401226 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 326517216 is about 18069.7873811509. The cubic root of 326517216 is about 688.6026583502.

The spelling of 326517216 in words is "three hundred twenty-six million, five hundred seventeen thousand, two hundred sixteen".