238328892 has 60 divisors (see below), whose sum is σ = 629293896. Its totient is φ = 78645600.

The previous prime is 238328879. The next prime is 238328897. The reversal of 238328892 is 298823832.

238328892 is a `hidden beast` number, since 238 + 328 + 8 + 92 = 666.

238328892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238328897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29083 + ... + 36365.

Almost surely, 2^238328892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238328892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314646948).

238328892 is an abundant number, since it is smaller than the sum of its proper divisors (390965004).

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

238328892 is a wasteful number, since it uses less digits than its factorization.

238328892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7389 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 238328892 is about 15437.9043914645. The cubic root of 238328892 is about 620.0007734989. Note that the first 3 decimals are identical.

The spelling of 238328892 in words is "two hundred thirty-eight million, three hundred twenty-eight thousand, eight hundred ninety-two".