397814359 has 2 divisors, whose sum is σ = 397814360. Its totient is φ = 397814358.

The previous prime is 397814341. The next prime is 397814369. The reversal of 397814359 is 953418793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397814359 - 2⁵ = 397814327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397814369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198907179 + 198907180.

It is an arithmetic number, because the mean of its divisors is an integer number (198907180).

Almost surely, 2^397814359 is an apocalyptic number.

397814359 is a deficient number, since it is larger than the sum of its proper divisors (1).

397814359 is an equidigital number, since it uses as much as digits as its factorization.

397814359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 397814359 is about 19945.2841293374. The cubic root of 397814359 is about 735.4618529668.

The spelling of 397814359 in words is "three hundred ninety-seven million, eight hundred fourteen thousand, three hundred fifty-nine".