237397 has 4 divisors (see below), whose sum is σ = 242496. Its totient is φ = 232300.

The previous prime is 237379. The next prime is 237401. The reversal of 237397 is 793732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 237397 - 2¹¹ = 235349 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 3 + 3¹¹ + 7³ + 9⁵ + 7³ .

It is a Duffinian number.

237397 is a lucky number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (237997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (60624).

2²³⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

237397 is a deficient number, since it is larger than the sum of its proper divisors (5099).

237397 is an equidigital number, since it uses as much as digits as its factorization.

237397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098.

The product of its digits is 7938, while the sum is 31.

The square root of 237397 is about 487.2340300102. The cubic root of 237397 is about 61.9191627716.

It can be divided in two parts, 2373 and 97, that multiplied together give a triangular number (230181 = T₆₇₈).

The spelling of 237397 in words is "two hundred thirty-seven thousand, three hundred ninety-seven".