397104293 has 2 divisors, whose sum is σ = 397104294. Its totient is φ = 397104292.

The previous prime is 397104271. The next prime is 397104307. The reversal of 397104293 is 392401793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387971809 + 9132484 = 19697^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 397104293 - 2¹⁰ = 397103269 is a prime.

It is equal to p_21189953 and since 397104293 and 21189953 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397104233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198552146 + 198552147.

It is an arithmetic number, because the mean of its divisors is an integer number (198552147).

Almost surely, 2^397104293 is an apocalyptic number.

It is an amenable number.

397104293 is a deficient number, since it is larger than the sum of its proper divisors (1).

397104293 is an equidigital number, since it uses as much as digits as its factorization.

397104293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 397104293 is about 19927.4758311232. The cubic root of 397104293 is about 735.0240126667.

The spelling of 397104293 in words is "three hundred ninety-seven million, one hundred four thousand, two hundred ninety-three".