3198329856 has 66 divisors (see below), whose sum is σ = 9235134662. Its totient is φ = 1066106880.

The previous prime is 3198329851. The next prime is 3198329957. The reversal of 3198329856 is 6589238913.

It can be written as a sum of positive squares in only one way, i.e., 2341011456 + 857318400 = 48384^2 + 29280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198329851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164305 + ... + 182736.

Almost surely, 2^3198329856 is an apocalyptic number.

3198329856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3198329856 is an abundant number, since it is smaller than the sum of its proper divisors (6036804806).

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

3198329856 is a wasteful number, since it uses less digits than its factorization.

3198329856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347067 (or 347046 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3198329856 is about 56553.7784414092. The cubic root of 3198329856 is about 1473.3561855458.

It can be divided in two parts, 3198329 and 856, that added together give a triangular number (3199185 = T₂₅₂₉).

The spelling of 3198329856 in words is "three billion, one hundred ninety-eight million, three hundred twenty-nine thousand, eight hundred fifty-six".