397593 has 12 divisors (see below), whose sum is σ = 656448. Its totient is φ = 227160.

The previous prime is 397591. The next prime is 397597. The reversal of 397593 is 395793.

It is not a de Polignac number, because 397593 - 2¹ = 397591 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (397591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3093 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (54704).

2³⁹⁷⁵⁹³ is an apocalyptic number.

It is an amenable number.

397593 is a deficient number, since it is larger than the sum of its proper divisors (258855).

397593 is a wasteful number, since it uses less digits than its factorization.

397593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324 (or 6321 counting only the distinct ones).

The product of its digits is 25515, while the sum is 36.

The square root of 397593 is about 630.5497601300. The cubic root of 397593 is about 73.5325414699.

It can be divided in two parts, 397 and 593, that added together give a triangular number (990 = T₄₄).

The spelling of 397593 in words is "three hundred ninety-seven thousand, five hundred ninety-three".