3198684289 has 6 divisors (see below), whose sum is σ = 3243107526. Its totient is φ = 3154861440.

The previous prime is 3198684271. The next prime is 3198684337. The reversal of 3198684289 is 9824868913.

It can be written as a sum of positive squares in 3 ways, for example, as 81360400 + 3117323889 = 9020^2 + 55833^2 .

It is not a de Polignac number, because 3198684289 - 2¹¹ = 3198682241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198684239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294792 + ... + 305449.

It is an arithmetic number, because the mean of its divisors is an integer number (540517921).

Almost surely, 2^3198684289 is an apocalyptic number.

It is an amenable number.

3198684289 is a deficient number, since it is larger than the sum of its proper divisors (44423237).

3198684289 is an frugal number, since it uses more digits than its factorization.

3198684289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600387 (or 600314 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 3198684289 is about 56556.9119471705. The cubic root of 3198684289 is about 1473.4106084048.

The spelling of 3198684289 in words is "three billion, one hundred ninety-eight million, six hundred eighty-four thousand, two hundred eighty-nine".