238624 has 12 divisors (see below), whose sum is σ = 469854. Its totient is φ = 119296.

The previous prime is 238591. The next prime is 238627. The reversal of 238624 is 426832.

It is a happy number.

238624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 19600 = 468^2 + 140^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (238627) by changing a digit.

238624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3697 + ... + 3760.

2²³⁸⁶²⁴ is an apocalyptic number.

It is an amenable number.

238624 is a deficient number, since it is larger than the sum of its proper divisors (231230).

238624 is an equidigital number, since it uses as much as digits as its factorization.

238624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467 (or 7459 counting only the distinct ones).

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

The square root of 238624 is about 488.4915557100. The cubic root of 238624 is about 62.0256570883.

The spelling of 238624 in words is "two hundred thirty-eight thousand, six hundred twenty-four".