328769185 has 16 divisors (see below), whose sum is σ = 404838720. Its totient is φ = 256173120.

The previous prime is 328769173. The next prime is 328769191. The reversal of 328769185 is 581967823.

It is not a de Polignac number, because 328769185 - 2⁷ = 328769057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81670 + ... + 85600.

It is an arithmetic number, because the mean of its divisors is an integer number (25302420).

Almost surely, 2^328769185 is an apocalyptic number.

It is an amenable number.

328769185 is a deficient number, since it is larger than the sum of its proper divisors (76069535).

328769185 is a wasteful number, since it uses less digits than its factorization.

328769185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368.

The product of its digits is 725760, while the sum is 49.

The square root of 328769185 is about 18131.9934094407. The cubic root of 328769185 is about 690.1821160399.

The spelling of 328769185 in words is "three hundred twenty-eight million, seven hundred sixty-nine thousand, one hundred eighty-five".