397345463 has 8 divisors (see below), whose sum is σ = 401498640. Its totient is φ = 393200640.

The previous prime is 397345451. The next prime is 397345511. The reversal of 397345463 is 364543793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397345463 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 (397345433) 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 in 7 ways as a sum of consecutive naturals, for example, 146423 + ... + 149111.

It is an arithmetic number, because the mean of its divisors is an integer number (50187330).

Almost surely, 2^397345463 is an apocalyptic number.

397345463 is a deficient number, since it is larger than the sum of its proper divisors (4153177).

397345463 is a wasteful number, since it uses less digits than its factorization.

397345463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its digits is 816480, while the sum is 44.

The square root of 397345463 is about 19933.5261055339. The cubic root of 397345463 is about 735.1727811981.

The spelling of 397345463 in words is "three hundred ninety-seven million, three hundred forty-five thousand, four hundred sixty-three".