238958 has 8 divisors (see below), whose sum is σ = 361128. Its totient is φ = 118584.

The previous prime is 238949. The next prime is 238967. The reversal of 238958 is 859832.

It is an interprime number because it is at equal distance from previous prime (238949) and next prime (238967).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (45141).

2²³⁸⁹⁵⁸ is an apocalyptic number.

238958 is a deficient number, since it is larger than the sum of its proper divisors (122170).

238958 is a wasteful number, since it uses less digits than its factorization.

238958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 17280, while the sum is 35.

The square root of 238958 is about 488.8333049210. The cubic root of 238958 is about 62.0545825266.

The spelling of 238958 in words is "two hundred thirty-eight thousand, nine hundred fifty-eight".