327969289 has 4 divisors (see below), whose sum is σ = 328185040. Its totient is φ = 327753540.

The previous prime is 327969283. The next prime is 327969311. The reversal of 327969289 is 982969723.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 982969723 = 43 ⋅22859761.

It is a cyclic number.

It is not a de Polignac number, because 327969289 - 2³ = 327969281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327969281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105579 + ... + 108640.

It is an arithmetic number, because the mean of its divisors is an integer number (82046260).

Almost surely, 2^327969289 is an apocalyptic number.

It is an amenable number.

327969289 is a deficient number, since it is larger than the sum of its proper divisors (215751).

327969289 is a wasteful number, since it uses less digits than its factorization.

327969289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215750.

The product of its digits is 2939328, while the sum is 55.

The square root of 327969289 is about 18109.9223907779. The cubic root of 327969289 is about 689.6219233804.

The spelling of 327969289 in words is "three hundred twenty-seven million, nine hundred sixty-nine thousand, two hundred eighty-nine".