3205484689 has 9 divisors (see below), whose sum is σ = 3524068681. Its totient is φ = 2913510820.

The previous prime is 3205484687. The next prime is 3205484701. The reversal of 3205484689 is 9864845023.

The square root of 3205484689 is 56617.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3205484689 - 2¹ = 3205484687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205484687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 620214 + ... + 625360.

Almost surely, 2^3205484689 is an apocalyptic number.

3205484689 is the 56617-th square number.

3205484689 is the 28309-th centered octagonal number.

It is an amenable number.

3205484689 is a deficient number, since it is larger than the sum of its proper divisors (318583992).

3205484689 is an frugal number, since it uses more digits than its factorization.

3205484689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316 (or 5158 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The cubic root of 3205484689 is about 1474.4540258737.

Multiplying 3205484689 by its sum of digits (49), we get a square (157068749761 = 396319²).

The spelling of 3205484689 in words is "three billion, two hundred five million, four hundred eighty-four thousand, six hundred eighty-nine".