238797782 has 16 divisors (see below), whose sum is σ = 365679792. Its totient is φ = 116925600.

The previous prime is 238797781. The next prime is 238797829. The reversal of 238797782 is 287797832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238797781) 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, 18032 + ... + 28332.

It is an arithmetic number, because the mean of its divisors is an integer number (22854987).

Almost surely, 2^238797782 is an apocalyptic number.

238797782 is a deficient number, since it is larger than the sum of its proper divisors (126882010).

238797782 is a wasteful number, since it uses less digits than its factorization.

238797782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its digits is 2370816, while the sum is 53.

The square root of 238797782 is about 15453.0832522186. The cubic root of 238797782 is about 620.4071051562.

Subtracting 238797782 from its reverse (287797832), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 238797782 in words is "two hundred thirty-eight million, seven hundred ninety-seven thousand, seven hundred eighty-two".