328870575 has 72 divisors (see below), whose sum is σ = 650248560. Its totient is φ = 157555200.

The previous prime is 328870573. The next prime is 328870603. The reversal of 328870575 is 575078823.

328870575 is a `hidden beast` number, since 3 + 2 + 8 + 8 + 70 + 575 = 666.

It is not a de Polignac number, because 328870575 - 2¹ = 328870573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 328870575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328870573) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 219529 + ... + 221021.

It is an arithmetic number, because the mean of its divisors is an integer number (9031230).

Almost surely, 2^328870575 is an apocalyptic number.

328870575 is a deficient number, since it is larger than the sum of its proper divisors (321377985).

328870575 is a wasteful number, since it uses less digits than its factorization.

328870575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 328870575 is about 18134.7890806593. The cubic root of 328870575 is about 690.2530577782.

The spelling of 328870575 in words is "three hundred twenty-eight million, eight hundred seventy thousand, five hundred seventy-five".