3198724648 has 32 divisors (see below), whose sum is σ = 6970593600. Its totient is φ = 1347645312.

The previous prime is 3198724643. The next prime is 3198724663. The reversal of 3198724648 is 8464278913.

It is a junction number, because it is equal to n+sod(n) for n = 3198724595 and 3198724604.

It is not an unprimeable number, because it can be changed into a prime (3198724643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480765 + ... + 487372.

It is an arithmetic number, because the mean of its divisors is an integer number (217831050).

Almost surely, 2^3198724648 is an apocalyptic number.

It is an amenable number.

3198724648 is an abundant number, since it is smaller than the sum of its proper divisors (3771868952).

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

3198724648 is a wasteful number, since it uses less digits than its factorization.

3198724648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968209 (or 968205 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 3198724648 is about 56557.2687459357. The cubic root of 3198724648 is about 1473.4168052369.

The spelling of 3198724648 in words is "three billion, one hundred ninety-eight million, seven hundred twenty-four thousand, six hundred forty-eight".