327693989 has 16 divisors (see below), whose sum is σ = 397612800. Its totient is φ = 263641344.

The previous prime is 327693983. The next prime is 327694001. The reversal of 327693989 is 989396723.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327693989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327693983) 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 15 ways as a sum of consecutive naturals, for example, 42752 + ... + 49830.

It is an arithmetic number, because the mean of its divisors is an integer number (24850800).

Almost surely, 2^327693989 is an apocalyptic number.

It is an amenable number.

327693989 is a deficient number, since it is larger than the sum of its proper divisors (69918811).

327693989 is a wasteful number, since it uses less digits than its factorization.

327693989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492.

The product of its digits is 4408992, while the sum is 56.

The square root of 327693989 is about 18102.3199894378. The cubic root of 327693989 is about 689.4289113434.

The spelling of 327693989 in words is "three hundred twenty-seven million, six hundred ninety-three thousand, nine hundred eighty-nine".