328471538 has 8 divisors (see below), whose sum is σ = 493184640. Its totient is φ = 164076660.

The previous prime is 328471537. The next prime is 328471553. The reversal of 328471538 is 835174823.

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

It is a junction number, because it is equal to n+sod(n) for n = 328471495 and 328471504.

It is not an unprimeable number, because it can be changed into a prime (328471537) 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, 76958 + ... + 81113.

It is an arithmetic number, because the mean of its divisors is an integer number (61648080).

Almost surely, 2^328471538 is an apocalyptic number.

328471538 is a deficient number, since it is larger than the sum of its proper divisors (164713102).

328471538 is a wasteful number, since it uses less digits than its factorization.

328471538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159112.

The product of its digits is 161280, while the sum is 41.

The square root of 328471538 is about 18123.7837660903. The cubic root of 328471538 is about 689.9737706195.

The spelling of 328471538 in words is "three hundred twenty-eight million, four hundred seventy-one thousand, five hundred thirty-eight".