3194398197 has 6 divisors (see below), whose sum is σ = 4614130742. Its totient is φ = 2129598792.

The previous prime is 3194398187. The next prime is 3194398201. The reversal of 3194398197 is 7918934913.

It is a happy number.

3194398197 is a `hidden beast` number, since 3 + 19 + 439 + 8 + 197 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2612334321 + 582063876 = 51111^2 + 24126^2 .

It is not a de Polignac number, because 3194398197 - 2¹⁵ = 3194365429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3194398187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177466558 + ... + 177466575.

Almost surely, 2^3194398197 is an apocalyptic number.

It is an amenable number.

3194398197 is a deficient number, since it is larger than the sum of its proper divisors (1419732545).

3194398197 is a wasteful number, since it uses less digits than its factorization.

3194398197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354933139 (or 354933136 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 3194398197 is about 56519.0073957425. The cubic root of 3194398197 is about 1472.7522130945.

The spelling of 3194398197 in words is "three billion, one hundred ninety-four million, three hundred ninety-eight thousand, one hundred ninety-seven".