3208082985 has 12 divisors (see below), whose sum is σ = 5560677252. Its totient is φ = 1710977568.

The previous prime is 3208082981. The next prime is 3208082993. The reversal of 3208082985 is 5892808023.

It can be written as a sum of positive squares in 2 ways, for example, as 1413459216 + 1794623769 = 37596^2 + 42363^2 .

It is not a de Polignac number, because 3208082985 - 2² = 3208082981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 71290733 = 3208082985 / (3 + 2 + 0 + 8 + 0 + 8 + 2 + 9 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3208082985.

It is not an unprimeable number, because it can be changed into a prime (3208082981) 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, 35645322 + ... + 35645411.

It is an arithmetic number, because the mean of its divisors is an integer number (463389771).

Almost surely, 2^3208082985 is an apocalyptic number.

It is an amenable number.

3208082985 is a deficient number, since it is larger than the sum of its proper divisors (2352594267).

3208082985 is a wasteful number, since it uses less digits than its factorization.

3208082985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71290744 (or 71290741 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 3208082985 is about 56639.9416048428. The cubic root of 3208082985 is about 1474.8523050429.

The spelling of 3208082985 in words is "three billion, two hundred eight million, eighty-two thousand, nine hundred eighty-five".