328571047 has 16 divisors (see below), whose sum is σ = 395814400. Its totient is φ = 266444640.

The previous prime is 328571039. The next prime is 328571051. The reversal of 328571047 is 740175823.

It is not a de Polignac number, because 328571047 - 2³ = 328571039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328570997 and 328571015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328571027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141022 + ... + 143332.

It is an arithmetic number, because the mean of its divisors is an integer number (24738400).

Almost surely, 2^328571047 is an apocalyptic number.

328571047 is a deficient number, since it is larger than the sum of its proper divisors (67243353).

328571047 is a wasteful number, since it uses less digits than its factorization.

328571047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 328571047 is about 18126.5288182818. The cubic root of 328571047 is about 690.0434384191.

The spelling of 328571047 in words is "three hundred twenty-eight million, five hundred seventy-one thousand, forty-seven".