397238 has 8 divisors (see below), whose sum is σ = 603288. Its totient is φ = 196144.

The previous prime is 397237. The next prime is 397253. The reversal of 397238 is 832793.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2³⁹⁷²³⁸ is an apocalyptic number.

397238 is a deficient number, since it is larger than the sum of its proper divisors (206050).

397238 is a wasteful number, since it uses less digits than its factorization.

397238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478.

The product of its digits is 9072, while the sum is 32.

The square root of 397238 is about 630.2681968813. The cubic root of 397238 is about 73.5106498829.

It can be divided in two parts, 39 and 7238, that multiplied together give a palindrome (282282).

The spelling of 397238 in words is "three hundred ninety-seven thousand, two hundred thirty-eight".