238007863 has 4 divisors (see below), whose sum is σ = 245685568. Its totient is φ = 230330160.

The previous prime is 238007857. The next prime is 238007897. The reversal of 238007863 is 368700832.

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-238007863 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 (238007963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838806 + ... + 3838867.

It is an arithmetic number, because the mean of its divisors is an integer number (61421392).

Almost surely, 2^238007863 is an apocalyptic number.

238007863 is a deficient number, since it is larger than the sum of its proper divisors (7677705).

238007863 is an equidigital number, since it uses as much as digits as its factorization.

238007863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677704.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 238007863 is about 15427.5034597306. The cubic root of 238007863 is about 619.7222680804.

The spelling of 238007863 in words is "two hundred thirty-eight million, seven thousand, eight hundred sixty-three".