396175397 has 2 divisors, whose sum is σ = 396175398. Its totient is φ = 396175396.

The previous prime is 396175387. The next prime is 396175411. The reversal of 396175397 is 793571693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333939076 + 62236321 = 18274^2 + 7889^2 .

It is a cyclic number.

It is not a de Polignac number, because 396175397 - 2⁸ = 396175141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396175337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198087698 + 198087699.

It is an arithmetic number, because the mean of its divisors is an integer number (198087699).

Almost surely, 2^396175397 is an apocalyptic number.

It is an amenable number.

396175397 is a deficient number, since it is larger than the sum of its proper divisors (1).

396175397 is an equidigital number, since it uses as much as digits as its factorization.

396175397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 50.

The square root of 396175397 is about 19904.1552696918. The cubic root of 396175397 is about 734.4504488820.

The spelling of 396175397 in words is "three hundred ninety-six million, one hundred seventy-five thousand, three hundred ninety-seven".