238387824 has 120 divisors (see below), whose sum is σ = 701955072. Its totient is φ = 75377280.

The previous prime is 238387823. The next prime is 238387837. The reversal of 238387824 is 428783832.

It is a self number, because there is not a number n which added to its sum of digits gives 238387824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238387823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552889 + ... + 553319.

Almost surely, 2^238387824 is an apocalyptic number.

238387824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238387824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350977536).

238387824 is an abundant number, since it is smaller than the sum of its proper divisors (463567248).

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

238387824 is a wasteful number, since it uses less digits than its factorization.

238387824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 626 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 238387824 is about 15439.8129522349. The cubic root of 238387824 is about 620.0518721775.

The spelling of 238387824 in words is "two hundred thirty-eight million, three hundred eighty-seven thousand, eight hundred twenty-four".