238291482 has 144 divisors (see below), whose sum is σ = 614579616. Its totient is φ = 60710400.

The previous prime is 238291481. The next prime is 238291517. The reversal of 238291482 is 284192832.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 238291482.

It is not an unprimeable number, because it can be changed into a prime (238291481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7686807 + ... + 7686837.

It is an arithmetic number, because the mean of its divisors is an integer number (4267914).

Almost surely, 2^238291482 is an apocalyptic number.

238291482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 238291482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307289808).

238291482 is an abundant number, since it is smaller than the sum of its proper divisors (376288134).

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

238291482 is a wasteful number, since it uses less digits than its factorization.

238291482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 77 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 238291482 is about 15436.6927157342. The cubic root of 238291482 is about 619.9683317158.

The spelling of 238291482 in words is "two hundred thirty-eight million, two hundred ninety-one thousand, four hundred eighty-two".