326828355 has 32 divisors (see below), whose sum is σ = 600058368. Its totient is φ = 148800000.

The previous prime is 326828351. The next prime is 326828357. The reversal of 326828355 is 553828623.

It is not a de Polignac number, because 326828355 - 2² = 326828351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326828351) 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 in 31 ways as a sum of consecutive naturals, for example, 20155 + ... + 32555.

It is an arithmetic number, because the mean of its divisors is an integer number (18751824).

Almost surely, 2^326828355 is an apocalyptic number.

326828355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

326828355 is a deficient number, since it is larger than the sum of its proper divisors (273230013).

326828355 is a wasteful number, since it uses less digits than its factorization.

326828355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12667.

The product of its digits is 345600, while the sum is 42.

The square root of 326828355 is about 18078.3947019640. The cubic root of 326828355 is about 688.8213125942.

The spelling of 326828355 in words is "three hundred twenty-six million, eight hundred twenty-eight thousand, three hundred fifty-five".