238442 has 8 divisors (see below), whose sum is σ = 378756. Its totient is φ = 112192.

The previous prime is 238439. The next prime is 238451. The reversal of 238442 is 244832.

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 25921 = 461^2 + 161^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473 + ... + 3540.

2²³⁸⁴⁴² is an apocalyptic number.

238442 is a deficient number, since it is larger than the sum of its proper divisors (140314).

238442 is a wasteful number, since it uses less digits than its factorization.

238442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032.

The product of its digits is 1536, while the sum is 23.

The square root of 238442 is about 488.3052324110. The cubic root of 238442 is about 62.0098839601.

It can be divided in two parts, 2384 and 42, that multiplied together give a triangular number (100128 = T₄₄₇).

The spelling of 238442 in words is "two hundred thirty-eight thousand, four hundred forty-two".