238556 has 12 divisors (see below), whose sum is σ = 435792. Its totient is φ = 114048.

The previous prime is 238547. The next prime is 238573. The reversal of 238556 is 655832.

It is a congruent number.

It is an unprimeable number.

238556 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1205 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (36316).

2²³⁸⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

238556 is a deficient number, since it is larger than the sum of its proper divisors (197236).

238556 is a wasteful number, since it uses less digits than its factorization.

238556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2618 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 238556 is about 488.4219487288. The cubic root of 238556 is about 62.0197647704.

The spelling of 238556 in words is "two hundred thirty-eight thousand, five hundred fifty-six".