3197909120 has 128 divisors (see below), whose sum is σ = 8805456000. Its totient is φ = 1087856640.

The previous prime is 3197909089. The next prime is 3197909123. The reversal of 3197909120 is 219097913.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3197909123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584156 + ... + 589604.

It is an arithmetic number, because the mean of its divisors is an integer number (68792625).

Almost surely, 2^3197909120 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 3197909120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4402728000).

3197909120 is an abundant number, since it is smaller than the sum of its proper divisors (5607546880).

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

3197909120 is a wasteful number, since it uses less digits than its factorization.

3197909120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606 (or 5594 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 3197909120 is about 56550.0585322420. The cubic root of 3197909120 is about 1473.2915767031.

The spelling of 3197909120 in words is "three billion, one hundred ninety-seven million, nine hundred nine thousand, one hundred twenty".