3205198672 has 80 divisors (see below), whose sum is σ = 7141292928. Its totient is φ = 1382008320.

The previous prime is 3205198669. The next prime is 3205198679. The reversal of 3205198672 is 2768915023.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205198679) 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 15 ways as a sum of consecutive naturals, for example, 197922 + ... + 213502.

Almost surely, 2^3205198672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3205198672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570646464).

3205198672 is an abundant number, since it is smaller than the sum of its proper divisors (3936094256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3205198672 is a wasteful number, since it uses less digits than its factorization.

3205198672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15668 (or 15662 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3205198672 is about 56614.4740503698. The cubic root of 3205198672 is about 1474.4101706795.

The spelling of 3205198672 in words is "three billion, two hundred five million, one hundred ninety-eight thousand, six hundred seventy-two".