326105216 has 32 divisors (see below), whose sum is σ = 650703900. Its totient is φ = 162791424.

The previous prime is 326105209. The next prime is 326105233. The reversal of 326105216 is 612501623.

It can be written as a sum of positive squares in 2 ways, for example, as 313431616 + 12673600 = 17704^2 + 3560^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×326105216² = 212689223804813312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96776 + ... + 100088.

Almost surely, 2^326105216 is an apocalyptic number.

It is an amenable number.

326105216 is a deficient number, since it is larger than the sum of its proper divisors (324598684).

326105216 is an equidigital number, since it uses as much as digits as its factorization.

326105216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 326105216 is about 18058.3835378475. The cubic root of 326105216 is about 688.3129097639.

Adding to 326105216 its reverse (612501623), we get a palindrome (938606839).

The spelling of 326105216 in words is "three hundred twenty-six million, one hundred five thousand, two hundred sixteen".