238824828 has 48 divisors (see below), whose sum is σ = 675467520. Its totient is φ = 72370800.

The previous prime is 238824811. The next prime is 238824841. The reversal of 238824828 is 828428832.

It is a happy number.

238824828 is a `hidden beast` number, since 2 + 388 + 248 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99328 + ... + 101703.

It is an arithmetic number, because the mean of its divisors is an integer number (14072240).

Almost surely, 2^238824828 is an apocalyptic number.

It is an amenable number.

238824828 is an abundant number, since it is smaller than the sum of its proper divisors (436642692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238824828 is a wasteful number, since it uses less digits than its factorization.

238824828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201055 (or 201047 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 238824828 is about 15453.9583278848. The cubic root of 238824828 is about 620.4305265032.

The spelling of 238824828 in words is "two hundred thirty-eight million, eight hundred twenty-four thousand, eight hundred twenty-eight".