3972198948 has 12 divisors (see below), whose sum is σ = 9268464240. Its totient is φ = 1324066312.

The previous prime is 3972198947. The next prime is 3972198953. The reversal of 3972198948 is 8498912793.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3972198891 and 3972198900.

It is not an unprimeable number, because it can be changed into a prime (3972198947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165508278 + ... + 165508301.

It is an arithmetic number, because the mean of its divisors is an integer number (772372020).

Almost surely, 2^3972198948 is an apocalyptic number.

It is an amenable number.

3972198948 is an abundant number, since it is smaller than the sum of its proper divisors (5296265292).

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

3972198948 is a wasteful number, since it uses less digits than its factorization.

3972198948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331016586 (or 331016584 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 3972198948 is about 63025.3833625786. The cubic root of 3972198948 is about 1583.7148805126.

The spelling of 3972198948 in words is "three billion, nine hundred seventy-two million, one hundred ninety-eight thousand, nine hundred forty-eight".