328364971 has 4 divisors (see below), whose sum is σ = 358216344. Its totient is φ = 298513600.

The previous prime is 328364969. The next prime is 328365017. The reversal of 328364971 is 179463823.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 328364971 - 2¹ = 328364969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328364921) 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, 14925670 + ... + 14925691.

It is an arithmetic number, because the mean of its divisors is an integer number (89554086).

Almost surely, 2^328364971 is an apocalyptic number.

328364971 is a deficient number, since it is larger than the sum of its proper divisors (29851373).

328364971 is a wasteful number, since it uses less digits than its factorization.

328364971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29851372.

The product of its digits is 217728, while the sum is 43.

The square root of 328364971 is about 18120.8435510050. The cubic root of 328364971 is about 689.8991457998.

The spelling of 328364971 in words is "three hundred twenty-eight million, three hundred sixty-four thousand, nine hundred seventy-one".