3197140 has 12 divisors (see below), whose sum is σ = 6714036. Its totient is φ = 1278848.

The previous prime is 3197137. The next prime is 3197141. The reversal of 3197140 is 417913.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 2022084 = 1084^2 + 1422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3197141) 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, 79909 + ... + 79948.

It is an arithmetic number, because the mean of its divisors is an integer number (559503).

Almost surely, 2^3197140 is an apocalyptic number.

It is an amenable number.

3197140 is an abundant number, since it is smaller than the sum of its proper divisors (3516896).

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

3197140 is a wasteful number, since it uses less digits than its factorization.

3197140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159866 (or 159864 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 3197140 is about 1788.0548090033. The cubic root of 3197140 is about 147.3173454848.

The spelling of 3197140 in words is "three million, one hundred ninety-seven thousand, one hundred forty".