238990 has 8 divisors (see below), whose sum is σ = 430200. Its totient is φ = 95592.

The previous prime is 238967. The next prime is 238991. The reversal of 238990 is 99832.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238991) by changing a digit.

238990 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, 11940 + ... + 11959.

It is an arithmetic number, because the mean of its divisors is an integer number (53775).

2²³⁸⁹⁹⁰ is an apocalyptic number.

238990 is a deficient number, since it is larger than the sum of its proper divisors (191210).

238990 is a wasteful number, since it uses less digits than its factorization.

238990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 238990 is about 488.8660348194. The cubic root of 238990 is about 62.0573524108.

The spelling of 238990 in words is "two hundred thirty-eight thousand, nine hundred ninety".