379965197 has 2 divisors, whose sum is σ = 379965198. Its totient is φ = 379965196.

The previous prime is 379965193. The next prime is 379965319. The reversal of 379965197 is 791569973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360772036 + 19193161 = 18994^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 379965197 - 2² = 379965193 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379965193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189982598 + 189982599.

It is an arithmetic number, because the mean of its divisors is an integer number (189982599).

Almost surely, 2^379965197 is an apocalyptic number.

It is an amenable number.

379965197 is a deficient number, since it is larger than the sum of its proper divisors (1).

379965197 is an equidigital number, since it uses as much as digits as its factorization.

379965197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3214890, while the sum is 56.

The square root of 379965197 is about 19492.6959910629. The cubic root of 379965197 is about 724.2935310749.

The spelling of 379965197 in words is "three hundred seventy-nine million, nine hundred sixty-five thousand, one hundred ninety-seven".