328871137 has 8 divisors (see below), whose sum is σ = 397961856. Its totient is φ = 265307712.

The previous prime is 328871131. The next prime is 328871159. The reversal of 328871137 is 731178823.

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

It is not a de Polignac number, because 328871137 - 2¹⁹ = 328346849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328871137.

It is not an unprimeable number, because it can be changed into a prime (328871131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381693 + ... + 1381930.

It is an arithmetic number, because the mean of its divisors is an integer number (49745232).

Almost surely, 2^328871137 is an apocalyptic number.

It is an amenable number.

328871137 is a deficient number, since it is larger than the sum of its proper divisors (69090719).

328871137 is a wasteful number, since it uses less digits than its factorization.

328871137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763647.

The product of its digits is 56448, while the sum is 40.

The square root of 328871137 is about 18134.8045757323. The cubic root of 328871137 is about 690.2534509643.

The spelling of 328871137 in words is "three hundred twenty-eight million, eight hundred seventy-one thousand, one hundred thirty-seven".