327809345 has 16 divisors (see below), whose sum is σ = 410022912. Its totient is φ = 251311680.

The previous prime is 327809333. The next prime is 327809393. The reversal of 327809345 is 543908723.

It is not a de Polignac number, because 327809345 - 2¹² = 327805249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5699 + ... + 26231.

It is an arithmetic number, because the mean of its divisors is an integer number (25626432).

Almost surely, 2^327809345 is an apocalyptic number.

It is an amenable number.

327809345 is a deficient number, since it is larger than the sum of its proper divisors (82213567).

327809345 is a wasteful number, since it uses less digits than its factorization.

327809345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 327809345 is about 18105.5059305174. The cubic root of 327809345 is about 689.5098002559.

The spelling of 327809345 in words is "three hundred twenty-seven million, eight hundred nine thousand, three hundred forty-five".