237940 has 12 divisors (see below), whose sum is σ = 499716. Its totient is φ = 95168.

The previous prime is 237929. The next prime is 237959. The reversal of 237940 is 49732.

237940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183184 + 54756 = 428^2 + 234^2 .

It is a congruent number.

It is an unprimeable number.

237940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5929 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (41643).

2²³⁷⁹⁴⁰ is an apocalyptic number.

237940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

237940 is an abundant number, since it is smaller than the sum of its proper divisors (261776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

237940 is a wasteful number, since it uses less digits than its factorization.

237940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906 (or 11904 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 237940 is about 487.7909388252. The cubic root of 237940 is about 61.9663362169.

The spelling of 237940 in words is "two hundred thirty-seven thousand, nine hundred forty".