328232018 has 4 divisors (see below), whose sum is σ = 492348030. Its totient is φ = 164116008.

The previous prime is 328231979. The next prime is 328232041. The reversal of 328232018 is 810232823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810232823 = 2179 ⋅371837.

It can be written as a sum of positive squares in only one way, i.e., 303560929 + 24671089 = 17423^2 + 4967^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82058003 + ... + 82058006.

Almost surely, 2^328232018 is an apocalyptic number.

328232018 is a deficient number, since it is larger than the sum of its proper divisors (164116012).

328232018 is a wasteful number, since it uses less digits than its factorization.

328232018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164116011.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 328232018 is about 18117.1746693573. The cubic root of 328232018 is about 689.8060212265.

The spelling of 328232018 in words is "three hundred twenty-eight million, two hundred thirty-two thousand, eighteen".