328428825 has 48 divisors (see below), whose sum is σ = 554964480. Its totient is φ = 171348480.

The previous prime is 328428817. The next prime is 328428827. The reversal of 328428825 is 528824823.

It is not a de Polignac number, because 328428825 - 2³ = 328428817 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328428827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1220791 + ... + 1221059.

It is an arithmetic number, because the mean of its divisors is an integer number (11561760).

Almost surely, 2^328428825 is an apocalyptic number.

It is an amenable number.

328428825 is a deficient number, since it is larger than the sum of its proper divisors (226535655).

328428825 is a wasteful number, since it uses less digits than its factorization.

328428825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 573 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 328428825 is about 18122.6053590536. The cubic root of 328428825 is about 689.9438622675.

The spelling of 328428825 in words is "three hundred twenty-eight million, four hundred twenty-eight thousand, eight hundred twenty-five".