238252782 has 16 divisors (see below), whose sum is σ = 482538240. Its totient is φ = 78412152.

The previous prime is 238252757. The next prime is 238252787. The reversal of 238252782 is 287252832.

It is a self number, because there is not a number n which added to its sum of digits gives 238252782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238252787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250848 + ... + 251795.

It is an arithmetic number, because the mean of its divisors is an integer number (30158640).

Almost surely, 2^238252782 is an apocalyptic number.

238252782 is an abundant number, since it is smaller than the sum of its proper divisors (244285458).

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

238252782 is a wasteful number, since it uses less digits than its factorization.

238252782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502727.

The product of its digits is 107520, while the sum is 39.

The square root of 238252782 is about 15435.4391579896. The cubic root of 238252782 is about 619.9347676773.

Subtracting 238252782 from its reverse (287252832), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 238252782 in words is "two hundred thirty-eight million, two hundred fifty-two thousand, seven hundred eighty-two".