237842 has 16 divisors (see below), whose sum is σ = 410400. Its totient is φ = 102240.

The previous prime is 237821. The next prime is 237851. The reversal of 237842 is 248732.

It is an unprimeable number.

237842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 134 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2²³⁷⁸⁴² is an apocalyptic number.

237842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

237842 is a deficient number, since it is larger than the sum of its proper divisors (172558).

237842 is a wasteful number, since it uses less digits than its factorization.

237842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its digits is 2688, while the sum is 26.

The square root of 237842 is about 487.6904756093. The cubic root of 237842 is about 61.9578277206.

The spelling of 237842 in words is "two hundred thirty-seven thousand, eight hundred forty-two".