238755582 has 96 divisors (see below), whose sum is σ = 602888832. Its totient is φ = 67617792.

The previous prime is 238755563. The next prime is 238755589. The reversal of 238755582 is 285557832.

238755582 is a `hidden beast` number, since 23 + 8 + 75 + 558 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238755589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186328 + ... + 187604.

It is an arithmetic number, because the mean of its divisors is an integer number (6280092).

Almost surely, 2^238755582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238755582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301444416).

238755582 is an abundant number, since it is smaller than the sum of its proper divisors (364133250).

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

238755582 is a wasteful number, since it uses less digits than its factorization.

238755582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 238755582 is about 15451.7177685848. The cubic root of 238755582 is about 620.3705571866.

The spelling of 238755582 in words is "two hundred thirty-eight million, seven hundred fifty-five thousand, five hundred eighty-two".