238390 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 92160.

The previous prime is 238373. The next prime is 238397. The reversal of 238390 is 93832.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238397) by changing a digit.

238390 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 7 ways as a sum of consecutive naturals, for example, 75 + ... + 694.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2²³⁸³⁹⁰ is an apocalyptic number.

238390 is a deficient number, since it is larger than the sum of its proper divisors (205130).

238390 is a wasteful number, since it uses less digits than its factorization.

238390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 238390 is about 488.2519841230. The cubic root of 238390 is about 62.0053758779.

The spelling of 238390 in words is "two hundred thirty-eight thousand, three hundred ninety".