328946885 has 32 divisors (see below), whose sum is σ = 414554112. Its totient is φ = 250398720.

The previous prime is 328946879. The next prime is 328946941. The reversal of 328946885 is 588649823.

It is not a de Polignac number, because 328946885 - 2⁴ = 328946869 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722140 + ... + 1722330.

It is an arithmetic number, because the mean of its divisors is an integer number (12954816).

Almost surely, 2^328946885 is an apocalyptic number.

It is an amenable number.

328946885 is a deficient number, since it is larger than the sum of its proper divisors (85607227).

328946885 is a wasteful number, since it uses less digits than its factorization.

328946885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 3317760, while the sum is 53.

The square root of 328946885 is about 18136.8929257467. The cubic root of 328946885 is about 690.3064416333.

The spelling of 328946885 in words is "three hundred twenty-eight million, nine hundred forty-six thousand, eight hundred eighty-five".