328199505 has 16 divisors (see below), whose sum is σ = 525405120. Its totient is φ = 174944448.

The previous prime is 328199491. The next prime is 328199519. The reversal of 328199505 is 505991823.

It is an interprime number because it is at equal distance from previous prime (328199491) and next prime (328199519).

It is not a de Polignac number, because 328199505 - 2¹⁶ = 328133969 is a prime.

It is a super-3 number, since 3×328199505³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29214 + ... + 38856.

It is an arithmetic number, because the mean of its divisors is an integer number (32837820).

Almost surely, 2^328199505 is an apocalyptic number.

It is an amenable number.

328199505 is a deficient number, since it is larger than the sum of its proper divisors (197205615).

328199505 is a wasteful number, since it uses less digits than its factorization.

328199505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 328199505 is about 18116.2773493894. The cubic root of 328199505 is about 689.7832442451.

It can be divided in two parts, 32819 and 9505, that added together give a palindrome (42324).

The spelling of 328199505 in words is "three hundred twenty-eight million, one hundred ninety-nine thousand, five hundred five".