327998505 has 8 divisors (see below), whose sum is σ = 524797632. Its totient is φ = 174932528.

The previous prime is 327998491. The next prime is 327998513. The reversal of 327998505 is 505899723.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 327998505 - 2⁸ = 327998249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10933269 + ... + 10933298.

It is an arithmetic number, because the mean of its divisors is an integer number (65599704).

Almost surely, 2^327998505 is an apocalyptic number.

It is an amenable number.

327998505 is a deficient number, since it is larger than the sum of its proper divisors (196799127).

327998505 is a wasteful number, since it uses less digits than its factorization.

327998505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866575.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 327998505 is about 18110.7290024449. The cubic root of 327998505 is about 689.6424002935.

The spelling of 327998505 in words is "three hundred twenty-seven million, nine hundred ninety-eight thousand, five hundred five".