238837 has 2 divisors, whose sum is σ = 238838. Its totient is φ = 238836.

The previous prime is 238829. The next prime is 238841. The reversal of 238837 is 738832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 14161 = 474^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 238837 - 2³ = 238829 is a prime.

It is a super-2 number, since 2×238837² = 114086225138, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 238799 and 238808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238877) 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 as a sum of consecutive naturals, namely, 119418 + 119419.

It is an arithmetic number, because the mean of its divisors is an integer number (119419).

2²³⁸⁸³⁷ is an apocalyptic number.

It is an amenable number.

238837 is a deficient number, since it is larger than the sum of its proper divisors (1).

238837 is an equidigital number, since it uses as much as digits as its factorization.

238837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 238837 is about 488.7095251783. The cubic root of 238837 is about 62.0441066658.

The spelling of 238837 in words is "two hundred thirty-eight thousand, eight hundred thirty-seven".