238994663 has 8 divisors (see below), whose sum is σ = 244602960. Its totient is φ = 233438400.

The previous prime is 238994621. The next prime is 238994669. The reversal of 238994663 is 366499832.

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 238994663 - 2¹⁰ = 238993639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238994669) 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, 3638 + ... + 22163.

It is an arithmetic number, because the mean of its divisors is an integer number (30575370).

Almost surely, 2^238994663 is an apocalyptic number.

238994663 is a deficient number, since it is larger than the sum of its proper divisors (5608297).

238994663 is a wasteful number, since it uses less digits than its factorization.

238994663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017.

The product of its digits is 1679616, while the sum is 50.

The square root of 238994663 is about 15459.4522218609. The cubic root of 238994663 is about 620.5775601426.

The spelling of 238994663 in words is "two hundred thirty-eight million, nine hundred ninety-four thousand, six hundred sixty-three".