397457359 has 8 divisors (see below), whose sum is σ = 429558192. Its totient is φ = 365574720.

The previous prime is 397457353. The next prime is 397457387. The reversal of 397457359 is 953754793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397457359 - 2¹⁵ = 397424591 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 (397457353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50749 + ... + 58054.

It is an arithmetic number, because the mean of its divisors is an integer number (53694774).

Almost surely, 2^397457359 is an apocalyptic number.

397457359 is a deficient number, since it is larger than the sum of its proper divisors (32100833).

397457359 is a wasteful number, since it uses less digits than its factorization.

397457359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109097.

The product of its digits is 3572100, while the sum is 52.

The square root of 397457359 is about 19936.3326366712. The cubic root of 397457359 is about 735.2417851090.

The spelling of 397457359 in words is "three hundred ninety-seven million, four hundred fifty-seven thousand, three hundred fifty-nine".