326440212 has 24 divisors (see below), whose sum is σ = 870507456. Its totient is φ = 93268608.

The previous prime is 326440193. The next prime is 326440243. The reversal of 326440212 is 212044623.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1943013 + ... + 1943180.

It is an arithmetic number, because the mean of its divisors is an integer number (36271144).

Almost surely, 2^326440212 is an apocalyptic number.

It is an amenable number.

326440212 is an abundant number, since it is smaller than the sum of its proper divisors (544067244).

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

326440212 is a wasteful number, since it uses less digits than its factorization.

326440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886207 (or 3886205 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 326440212 is about 18067.6565165491. The cubic root of 326440212 is about 688.5485220235.

Adding to 326440212 its reverse (212044623), we get a palindrome (538484835).

The spelling of 326440212 in words is "three hundred twenty-six million, four hundred forty thousand, two hundred twelve".