326215216 has 10 divisors (see below), whose sum is σ = 632042012. Its totient is φ = 163107600.

The previous prime is 326215207. The next prime is 326215217. The reversal of 326215216 is 612512623.

It is not an unprimeable number, because it can be changed into a prime (326215217) 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 as a sum of consecutive naturals, namely, 10194210 + ... + 10194241.

Almost surely, 2^326215216 is an apocalyptic number.

It is an amenable number.

326215216 is a deficient number, since it is larger than the sum of its proper divisors (305826796).

326215216 is a wasteful number, since it uses less digits than its factorization.

326215216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388459 (or 20388453 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 326215216 is about 18061.4289578649. The cubic root of 326215216 is about 688.3902936928.

Adding to 326215216 its reverse (612512623), we get a palindrome (938727839).

The spelling of 326215216 in words is "three hundred twenty-six million, two hundred fifteen thousand, two hundred sixteen".