238426 has 8 divisors (see below), whose sum is σ = 361620. Its totient is φ = 117888.

The previous prime is 238423. The next prime is 238439. The reversal of 238426 is 624832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 22201 = 465^2 + 149^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 238426.

It is not an unprimeable number, because it can be changed into a prime (238423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421 + ... + 808.

2²³⁸⁴²⁶ is an apocalyptic number.

238426 is a deficient number, since it is larger than the sum of its proper divisors (123194).

238426 is a wasteful number, since it uses less digits than its factorization.

238426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 2304, while the sum is 25.

The square root of 238426 is about 488.2888489409. The cubic root of 238426 is about 62.0084969277.

The spelling of 238426 in words is "two hundred thirty-eight thousand, four hundred twenty-six".