328871146 has 4 divisors (see below), whose sum is σ = 493306722. Its totient is φ = 164435572.

The previous prime is 328871131. The next prime is 328871159. The reversal of 328871146 is 641178823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641178823 = 15383 ⋅41681.

It can be written as a sum of positive squares in only one way, i.e., 323604121 + 5267025 = 17989^2 + 2295^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 328871099 and 328871108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82217785 + ... + 82217788.

Almost surely, 2^328871146 is an apocalyptic number.

328871146 is a deficient number, since it is larger than the sum of its proper divisors (164435576).

328871146 is a wasteful number, since it uses less digits than its factorization.

328871146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164435575.

The product of its digits is 64512, while the sum is 40.

The square root of 328871146 is about 18134.8048238739. The cubic root of 328871146 is about 690.2534572609.

The spelling of 328871146 in words is "three hundred twenty-eight million, eight hundred seventy-one thousand, one hundred forty-six".