238552663 has 4 divisors (see below), whose sum is σ = 241233120. Its totient is φ = 235872208.

The previous prime is 238552597. The next prime is 238552673. The reversal of 238552663 is 366255832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238552663 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 (238552673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340095 + ... + 1340272.

It is an arithmetic number, because the mean of its divisors is an integer number (60308280).

Almost surely, 2^238552663 is an apocalyptic number.

238552663 is a deficient number, since it is larger than the sum of its proper divisors (2680457).

238552663 is an equidigital number, since it uses as much as digits as its factorization.

238552663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680456.

The product of its digits is 259200, while the sum is 40.

The square root of 238552663 is about 15445.1501449484. The cubic root of 238552663 is about 620.1947558473.

The spelling of 238552663 in words is "two hundred thirty-eight million, five hundred fifty-two thousand, six hundred sixty-three".