238597 has 4 divisors (see below), whose sum is σ = 239596. Its totient is φ = 237600.

The previous prime is 238591. The next prime is 238627. The reversal of 238597 is 795832.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 57121 = 426^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 238597 - 2¹¹ = 236549 is a prime.

It is a Duffinian number.

238597 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238591) 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 3 ways as a sum of consecutive naturals, for example, 97 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (59899).

2²³⁸⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

238597 is a deficient number, since it is larger than the sum of its proper divisors (999).

238597 is an equidigital number, since it uses as much as digits as its factorization.

238597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its digits is 15120, while the sum is 34.

The square root of 238597 is about 488.4639188313. The cubic root of 238597 is about 62.0233176255.

The spelling of 238597 in words is "two hundred thirty-eight thousand, five hundred ninety-seven".