326928361 has 4 divisors (see below), whose sum is σ = 326970000. Its totient is φ = 326886724.

The previous prime is 326928359. The next prime is 326928367. The reversal of 326928361 is 163829623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 326928361 - 2¹ = 326928359 is a prime.

It is a super-2 number, since 2×326928361² = 213764306452292642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326928367) 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 in 3 ways as a sum of consecutive naturals, for example, 5071 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (81742500).

Almost surely, 2^326928361 is an apocalyptic number.

It is an amenable number.

326928361 is a deficient number, since it is larger than the sum of its proper divisors (41639).

326928361 is a wasteful number, since it uses less digits than its factorization.

326928361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41638.

The product of its digits is 93312, while the sum is 40.

The square root of 326928361 is about 18081.1603886476. The cubic root of 326928361 is about 688.8915627608.

The spelling of 326928361 in words is "three hundred twenty-six million, nine hundred twenty-eight thousand, three hundred sixty-one".