238395 has 16 divisors (see below), whose sum is σ = 398592. Its totient is φ = 121440.

The previous prime is 238373. The next prime is 238397. The reversal of 238395 is 593832.

It is a happy number.

238395 is a nontrivial binomial coefficient, being equal to C(691, 2).

It is not a de Polignac number, because 238395 - 2⁵ = 238363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238397) 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 in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (24912).

2²³⁸³⁹⁵ is an apocalyptic number.

238395 is the 690-th triangular number.

238395 is a deficient number, since it is larger than the sum of its proper divisors (160197).

238395 is a wasteful number, since it uses less digits than its factorization.

238395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 6480, while the sum is 30.

The square root of 238395 is about 488.2571044030. The cubic root of 238395 is about 62.0058093759.

The spelling of 238395 in words is "two hundred thirty-eight thousand, three hundred ninety-five".