328785849 has 12 divisors (see below), whose sum is σ = 542757696. Its totient is φ = 187877592.

The previous prime is 328785841. The next prime is 328785859. The reversal of 328785849 is 948587823.

It is a happy number.

It is not a de Polignac number, because 328785849 - 2³ = 328785841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 328785795 and 328785804.

It is not an unprimeable number, because it can be changed into a prime (328785841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609349 + ... + 2609474.

It is an arithmetic number, because the mean of its divisors is an integer number (45229808).

Almost surely, 2^328785849 is an apocalyptic number.

It is an amenable number.

328785849 is a deficient number, since it is larger than the sum of its proper divisors (213971847).

328785849 is a wasteful number, since it uses less digits than its factorization.

328785849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218836 (or 5218833 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 328785849 is about 18132.4529228673. The cubic root of 328785849 is about 690.1937767034.

The spelling of 328785849 in words is "three hundred twenty-eight million, seven hundred eighty-five thousand, eight hundred forty-nine".