327884991 has 16 divisors (see below), whose sum is σ = 516864000. Its totient is φ = 180901728.

The previous prime is 327884951. The next prime is 327885017. The reversal of 327884991 is 199488723.

It is not a de Polignac number, because 327884991 - 2¹⁷ = 327753919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327884911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268591 + ... + 269808.

It is an arithmetic number, because the mean of its divisors is an integer number (32304000).

Almost surely, 2^327884991 is an apocalyptic number.

327884991 is a deficient number, since it is larger than the sum of its proper divisors (188979009).

327884991 is a wasteful number, since it uses less digits than its factorization.

327884991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538438.

The product of its digits is 870912, while the sum is 51.

The square root of 327884991 is about 18107.5948430486. The cubic root of 327884991 is about 689.5628337723.

The spelling of 327884991 in words is "three hundred twenty-seven million, eight hundred eighty-four thousand, nine hundred ninety-one".