326997212 has 6 divisors (see below), whose sum is σ = 572245128. Its totient is φ = 163498604.

The previous prime is 326997211. The next prime is 326997287. The reversal of 326997212 is 212799623.

It is a self number, because there is not a number n which added to its sum of digits gives 326997212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326997211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40874648 + ... + 40874655.

It is an arithmetic number, because the mean of its divisors is an integer number (95374188).

Almost surely, 2^326997212 is an apocalyptic number.

It is an amenable number.

326997212 is a deficient number, since it is larger than the sum of its proper divisors (245247916).

326997212 is a wasteful number, since it uses less digits than its factorization.

326997212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81749307 (or 81749305 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 326997212 is about 18083.0642314847. The cubic root of 326997212 is about 688.9399194748.

The spelling of 326997212 in words is "three hundred twenty-six million, nine hundred ninety-seven thousand, two hundred twelve".