238531763 has 8 divisors (see below), whose sum is σ = 246405120. Its totient is φ = 230669640.

The previous prime is 238531751. The next prime is 238531789. The reversal of 238531763 is 367135832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238531763 - 2⁸ = 238531507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238531703) 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, 74918 + ... + 78036.

It is an arithmetic number, because the mean of its divisors is an integer number (30800640).

Almost surely, 2^238531763 is an apocalyptic number.

238531763 is a deficient number, since it is larger than the sum of its proper divisors (7873357).

238531763 is a wasteful number, since it uses less digits than its factorization.

238531763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617.

The product of its digits is 90720, while the sum is 38.

The square root of 238531763 is about 15444.4735423387. The cubic root of 238531763 is about 620.1766432165.

The spelling of 238531763 in words is "two hundred thirty-eight million, five hundred thirty-one thousand, seven hundred sixty-three".