238531896 has 192 divisors, whose sum is σ = 736257600. Its totient is φ = 69341184.

The previous prime is 238531883. The next prime is 238531897. The reversal of 238531896 is 698135832.

It is a happy number.

238531896 is a `hidden beast` number, since 2 + 38 + 531 + 89 + 6 = 666.

238531896 is digitally balanced in base 3, 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 (238531897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1041510 + ... + 1041738.

It is an arithmetic number, because the mean of its divisors is an integer number (3834675).

Almost surely, 2^238531896 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 238531896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368128800).

238531896 is an abundant number, since it is smaller than the sum of its proper divisors (497725704).

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

238531896 is a wasteful number, since it uses less digits than its factorization.

238531896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 311 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 238531896 is about 15444.4778480854. The cubic root of 238531896 is about 620.1767584820.

The spelling of 238531896 in words is "two hundred thirty-eight million, five hundred thirty-one thousand, eight hundred ninety-six".