238478 has 16 divisors (see below), whose sum is σ = 380160. Its totient is φ = 112056.

The previous prime is 238477. The next prime is 238481. The reversal of 238478 is 874832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2²³⁸⁴⁷⁸ is an apocalyptic number.

238478 is a deficient number, since it is larger than the sum of its proper divisors (141682).

238478 is a wasteful number, since it uses less digits than its factorization.

238478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151.

The product of its digits is 10752, while the sum is 32.

The square root of 238478 is about 488.3420932093. The cubic root of 238478 is about 62.0130045562.

The spelling of 238478 in words is "two hundred thirty-eight thousand, four hundred seventy-eight".