237985 has 8 divisors (see below), whose sum is σ = 311616. Its totient is φ = 173040.

The previous prime is 237977. The next prime is 237997. The reversal of 237985 is 589732.

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

It is not a de Polignac number, because 237985 - 2³ = 237977 is a prime.

It is a Duffinian number.

237985 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 237985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (38952).

2²³⁷⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

237985 is a deficient number, since it is larger than the sum of its proper divisors (73631).

237985 is a wasteful number, since it uses less digits than its factorization.

237985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

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

The square root of 237985 is about 487.8370629626. The cubic root of 237985 is about 61.9702423969.

It can be divided in two parts, 23 and 7985, that added together give a palindrome (8008).

The spelling of 237985 in words is "two hundred thirty-seven thousand, nine hundred eighty-five".