3197998380 has 24 divisors (see below), whose sum is σ = 8954395632. Its totient is φ = 852799552.

The previous prime is 3197998379. The next prime is 3197998387. The reversal of 3197998380 is 838997913.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3197998380.

It is not an unprimeable number, because it can be changed into a prime (3197998387) 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, 26649927 + ... + 26650046.

It is an arithmetic number, because the mean of its divisors is an integer number (373099818).

Almost surely, 2^3197998380 is an apocalyptic number.

3197998380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3197998380 is an abundant number, since it is smaller than the sum of its proper divisors (5756397252).

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

3197998380 is a wasteful number, since it uses less digits than its factorization.

3197998380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53299985 (or 53299983 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 3197998380 is about 56550.8477390039. The cubic root of 3197998380 is about 1473.3052840743.

The spelling of 3197998380 in words is "three billion, one hundred ninety-seven million, nine hundred ninety-eight thousand, three hundred eighty".